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Finasteride 0.05%, minoxidil topical hair loss foam

£29.99

A personalised topical hair loss foam containing finasteride 0.05% and minoxidil 5%. Designed for adults who need a focused two-ingredient approach targeting the hormonal and circulatory drivers of pattern hair loss — with finasteride at the lowest available compounded concentration — in a format that is easy to apply and straightforward to build into a nightly routine. The foam does not drip or run, dries faster than a liquid, and removes the practical friction that causes people to skip treatment nights.

  • Topical foam format
  • Two active ingredients
  • Pack size: 30ml bottle, around one month’s supply
  • Expiry date: 35 days from compounding date
  • Prescription only

TREATS:

Hair Loss

FORMAT:

Topical solution

Availability:

In stock

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Finasteride 0.05%, minoxidil topical hair loss foam
Category:

Description

Finasteride 0.05%, Minoxidil 5% topical hair loss foam — Product description

The problem with hair loss

Hair loss is easy to dismiss — until it happens to you. The visible signs are familiar: thinning at the crown, a wider parting, a hairline moving in the wrong direction. The less visible impact is often harder to carry. Confidence drops. Self-consciousness builds. The worry that things are getting worse — and that nothing tried so far has made a real difference — becomes part of daily life.

The problem with standard treatments

For many people, the frustration goes beyond the hair loss itself. It is about the experience of trying to treat it.

Standard topical hair loss liquids drip. They run down the forehead before you have worked them in. They take too long to dry. After a few weeks of product on the pillow or residue on the collar, skipping a night starts to feel reasonable.

Skipping nights is exactly what stops hair loss treatment from working.

Why this two-ingredient combination?

Pattern hair loss has more than one driver. DHT miniaturises follicles through the hormonal pathway. Poor scalp circulation and reduced follicle activity then accelerate visible thinning.

This formula addresses both dimensions directly. Finasteride 0.05% targets the hormonal driver at the lowest available compounded strength. Minoxidil 5% stimulates follicle activity and improves scalp circulation. Together, they form a carefully considered two-ingredient approach — not a default combination, but a formula selected because clinical assessment and, where used, TrichoTest results indicate this is the most appropriate treatment for the individual.

Why foam changes things

The foam does not drip. It does not run. It stays where you put it, spreads evenly with your fingertips, and dries quickly. Consistent, accurate nightly application becomes straightforward — without the mess or the wait that causes so many people to skip nights and undermine their treatment.

With finasteride at its most cautious available concentration and minoxidil working alongside it, getting the formula where it needs to go every night matters.

Why 0.05% finasteride?

The finasteride concentration in this formula is 0.05%. This is the lowest available compounded strength. The prescriber selects it when clinical assessment indicates that a cautious starting approach to anti-androgen treatment is the most appropriate choice.

Whether because the patient is new to finasteride, TrichoTest results suggest a lower anti-androgen requirement, or clinical judgment indicates that the most conservative available concentration is right for this individual. Starting at 0.05% is not starting weak. It is starting right for you.

A medically responsible route

At Courier Pharmacy, treatment starts with a proper assessment. Suitability is checked. The decision to prescribe this compounded foam is a clinical one — based on your scalp, your history, and your goals.

  • Prescription-only compounded topical foam for pattern hair loss
  • Easy-to-apply format that stays in place and dries quickly
  • Finasteride 0.05%, minoxidil 5% — a clinically considered two-ingredient combination at the lowest available finasteride concentration
  • Reviewed for suitability by a UK-qualified prescriber

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Overview

Active ingredients

What is it for?

How does it work?

How do you use it?

Warnings and precautions

Side effects

Drug interactions

FAQs

Download patent leaflet

Written By
Shazlee Ahsan
BSc Pharmacy, Independent Prescriber, PgDip Endocrinology, MSc Endocrinology, PgDip Infectious Diseases

Superintendant Pharmacist, Independent Prescriber


Checked By
Safdar Ali
BSc Pharmacy

Pharmacist


What is Finasteride 0.05%, Minoxidil 5% topical hair loss foam?

This compounded topical hair loss foam contains finasteride 0.05% and minoxidil 5% in an easy-to-use foam base. It is designed for adults with pattern hair loss who need a focused two-ingredient approach — targeting the hormonal driver of hair loss at the lowest available finasteride concentration and supporting follicle activity — particularly those who are new to finasteride and want to begin cautiously, those who have found standard liquid products messy or difficult to use consistently, or those whose clinical profile indicates this combination in a foam format is the most appropriate starting point.

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  • Two active ingredients working together to target DHT and support follicle activity
  • Foam format is lighter, cleaner, and easier to apply than traditional liquid solutions
  • Finasteride at 0.05%, minoxidil at 5% — the lowest available finasteride concentration in a carefully considered combination
  • May suit people with androgenetic alopecia who are new to finasteride or have a lower anti-androgen requirement
  • Safe prescribing still matters — hair loss treatment needs proper screening, review, and follow-up
  • Part of the Gro hair loss range, designed for personalised treatment at less than £1 per day

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Pattern hair loss is personal

Pattern hair loss is common, but that does not make it any less personal. Many people first notice extra shedding, reduced density, or a hairline that seems to be quietly retreating. Many then try a product that does not match their biology, see little result, and quietly give up — not because treatment cannot work, but because they were never on the right treatment to begin with.

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A formula for people who need a cautious start in a practical format

This foam is aimed at people who need a carefully considered two-ingredient approach — addressing the hormonal and circulatory drivers of pattern hair loss at the most cautious available finasteride concentration — in a format they can genuinely build into a nightly routine without mess or delay. It is particularly relevant for those new to finasteride who want to begin at the lowest available concentration, those whose TrichoTest results indicate a lower anti-androgen requirement alongside a strong minoxidil response profile, and those who have found liquid formats too impractical to use consistently.

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The goal of treatment

Hair loss affects more than appearance. It chips away at confidence. It makes ordinary moments feel oddly loaded — a changing-room mirror, a photo taken from behind, a windy day when you would rather not think about what is visible.

The goal of treatment is not perfection. It is to slow loss, support healthier growth, and help you feel more in control — with a plan that starts at the right point for you and a format that makes nightly treatment something you can actually sustain.

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Foam benefits and ease of use

Foam stays where you put it

Unlike a liquid, foam does not run down the neck or drip onto the forehead before you have had a chance to work it in. You can dispense it directly onto the scalp or onto the fingertips, then apply it precisely to areas of thinning. Less waste. Less mess. More control. When starting finasteride at its most cautious available concentration alongside minoxidil every night, getting both active ingredients where they need to go — and keeping them there — matters.

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Foam feels lighter on the scalp

There is no strong alcohol smell. No prolonged wait before getting into bed. No residue transferring to the pillow. Some people find this difference small. Others find it transformative. Either way, it removes a set of daily friction points that have caused many people to abandon their routine — and abandoning the routine at the earliest stage of treatment is particularly counterproductive.

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Adherence is everything

Starting finasteride at the lowest available concentration is a deliberate clinical choice — and it only delivers results if used consistently. If foam makes application quicker, cleaner, and easier to fit into your existing evening routine, that practical advantage builds steadily over the months that hair loss treatment requires. The right formula at the right starting strength matters. Staying the course matters just as much.

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Why the foam vehicle matters

The foam base is clinically relevant as well as practically convenient. It sits lightly on the scalp, dries faster than a liquid, and may reduce the practical friction that stops people applying their two-ingredient formula consistently — which is one of the most important factors in whether any hair loss treatment succeeds over time.

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Why compounding?

What compounding means

Compounding means a medicine is prepared to order by a licensed pharmacy for an individual patient. It is not a mass-produced one-size-fits-all product. In the UK, this sits within a regulated framework and should only be supplied when clinically appropriate.

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Why compounding matters for this formula

Some people choose this compounded foam because no standard licensed product combines finasteride at 0.05% and minoxidil in a foam format — and this specific combination, at the most cautious available finasteride concentration, in a format that makes consistent daily use achievable, is what their clinical profile requires. Others come to compounding because they want to start finasteride as carefully as possible, with the practical advantage of a foam that makes nightly application straightforward from the outset. Others want the clinical flexibility to step up the concentration over time as their treatment plan evolves.

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Personalised medicine in practice

Hair loss is not identical from one person to the next. The right combination of ingredients, concentrations, and format for one patient is not right for another. Compounding makes it possible to prescribe finasteride 0.05% and minoxidil 5% together in a foam — a formulation that simply does not exist in any standard licensed product — when clinical assessment indicates that this is the most appropriate approach. The medicine is shaped around the patient, not the other way around.

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Why this two-ingredient combination at the lowest finasteride concentration can be the right choice

Some patients need both mechanisms addressed — DHT suppression and follicle stimulation — but want finasteride to begin at the most cautious available concentration. Finasteride at 0.05% turns down the hormonal signal as carefully as compounding allows. Minoxidil stimulates follicle activity and improves scalp blood flow. For patients whose TrichoTest results indicate a lower anti-androgen requirement alongside a strong minoxidil response via the SULT1A1 pathway, this two-ingredient foam combination may be the most clinically considered and practically sustainable starting point.

If the finasteride concentration needs to increase over time, or if tretinoin or other ingredients would add further benefit, TrichoTest and clinical assessment will guide that decision. Compounding makes either path possible.

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TrichoTest: personalising the approach

TrichoTest reduces guesswork. It is a pharmacogenetic test that analyses 26 genetic polymorphisms linked to nine key treatment pathways relevant to hair loss. Rather than prescribing from standard protocols alone, TrichoTest combines your genetic profile with your medical history to predict which ingredients, dosages, and delivery methods are most likely to work for your biology.

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How the TrichoTest informs this formula

This two-ingredient formula draws on multiple TrichoTest pathways simultaneously. The sulphotransferase (SULT1A1) pathway predicts minoxidil response — patients with high SULT1A1 expression are strong responders to minoxidil and may benefit particularly from its inclusion at 5%. The anti-androgen metabolism pathway identifies how effectively a patient responds to finasteride — and whether 0.05% is the most appropriate starting concentration for their genetic profile.

TrichoTest can identify all of these factors before treatment begins — allowing the prescriber to arrive at the lowest available finasteride concentration with clinical confidence, rather than defaulting to a standard starting point that may not match the individual’s biology.

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How the TrichoTest informs this formula more broadly

If TrichoTest identifies that a higher finasteride concentration would be more appropriate for the individual’s anti-androgen requirement, the prescriber can adjust accordingly. If results confirm that 0.05% is a well-matched starting point, treatment can begin with confidence. If tretinoin or additional ingredients would add further benefit, these can be incorporated over time.

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The nine pathways TrichoTest analyses

  • Prostaglandins and sulphotransferase — how you process minoxidil and latanoprost
  • Anti-inflammatory response — your reaction to glucocorticoids and immunomodulators
  • Anti-androgen metabolism — how effectively you respond to dutasteride, finasteride, and 17?-oestradiol
  • Circulation stimulation — response to vasodilators
  • Collagen synthesis capacity
  • Insulin-like Growth Factor (IGF-1) response
  • Vitamin absorption — A, B7, B9, B12, C, D, E
  • Mineral absorption — zinc, magnesium, iron, selenium
  • Antioxidant needs and oxidative stress profile

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Beyond ingredient selection

TrichoTest also identifies nutritional gaps and metabolic factors that affect hair health independently of topical treatment. If genetic variants reduce zinc or iron absorption, the prescriber can recommend targeted supplementation alongside this foam formula — moving treatment from guesswork towards something shaped by your actual biology.

TrichoTest does not guarantee results, but it gives the prescriber better information to decide whether this specific two-ingredient foam formula at 0.05% finasteride is right for you, or whether something different would serve you better.

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The Gro hair loss range

What is the Gro brand?

Gro is the compounded hair loss range created by Courier Pharmacy and Medical Mojo. It exists because hair loss treatment should not feel one-size-fits-all.

Some people want a classic topical liquid. Some prefer a foam — lighter, cleaner, easier to build into an evening routine. Others need an alcohol-free and propylene glycol-free base because their scalp reacts to standard excipients. Gro brings those options together under one brand, matching treatment to the person using it, not the other way around.

Each Gro product comes in a 30ml bottle designed to last one month. Every option costs £29.99 for up to three active ingredients — less than £1 a day.

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Why Gro is different

Gro was built around three practical goals:

  • Choice of formulation: topical liquid, topical foam, or Trichosol solution (propylene glycol free and alcohol free)
  • Personalisation: single, dual, and triple-ingredient combinations across multiple concentrations
  • Better tolerability: every format is designed to reduce the friction that stops people from maintaining their routine

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The three formulation types

  1. Topical hair loss liquid — a traditional spray solution containing alcohol and propylene glycol. Well-established, with efficient scalp penetration. Chosen by patients who want a direct, familiar format.
  2. Hair loss foam — lighter, faster-drying, and easier to apply without dripping. This is the formulation described on this page. Chosen by patients who want clinical results in a format that fits more easily into daily life.
  3. Trichosol topical solution — propylene glycol free and alcohol free. Designed for patients with sensitive or reactive scalps who need a gentler base.

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Ingredients used across the Gro range

Depending on the product selected, Gro formulations may include:

  • Dutasteride
  • Finasteride
  • Minoxidil 5%
  • Tretinoin 0.01%

These can be prescribed alone or in combination, and at varying concentrations, depending on the individual treatment plan.

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Gro product options

The Gro range includes the following compounded hair loss options, each supplied as a 30ml one-month bottle at £29.99.

Dutasteride + Minoxidil + Tretinoin
  • Dutasteride 0.05%, minoxidil 5%, tretinoin 0.01% — topical liquid
  • Dutasteride 0.05%, minoxidil 5%, tretinoin 0.01% — topical foam
  • Dutasteride 0.05%, minoxidil 5%, tretinoin 0.01% in Trichosol — topical solution
  • Dutasteride 0.1%, minoxidil 5%, tretinoin 0.01% — topical liquid
  • Dutasteride 0.1%, minoxidil 5%, tretinoin 0.01% — topical foam
  • Dutasteride 0.1%, minoxidil 5%, tretinoin 0.01% in Trichosol — topical solution
  • Dutasteride 0.2%, minoxidil 5%, tretinoin 0.01% — topical liquid
  • Dutasteride 0.2%, minoxidil 5%, tretinoin 0.01% — topical foam
  • Dutasteride 0.2%, minoxidil 5%, tretinoin 0.01% in Trichosol — topical solution
Dutasteride only
  • Dutasteride 0.05% — topical liquid
  • Dutasteride 0.05% — topical foam
  • Dutasteride 0.05% in Trichosol — topical solution
  • Dutasteride 0.1% — topical liquid
  • Dutasteride 0.1% — topical foam
  • Dutasteride 0.1% in Trichosol — topical solution
  • Dutasteride 0.2% — topical liquid
  • Dutasteride 0.2% — topical foam
  • Dutasteride 0.2% in Trichosol — topical solution
Finasteride only
  • Finasteride 0.05% — topical liquid
  • Finasteride 0.05% — topical foam
  • Finasteride 0.05% in Trichosol — topical solution
  • Finasteride 0.1% — topical liquid
  • Finasteride 0.1% — topical foam
  • Finasteride 0.1% in Trichosol — topical solution
  • Finasteride 0.2% — topical liquid
  • Finasteride 0.2% — topical foam
  • Finasteride 0.2% in Trichosol — topical solution
Minoxidil only
  • Minoxidil 5% — topical liquid
  • Minoxidil 5% — topical foam
  • Minoxidil 5% in Trichosol — topical solution
Minoxidil + Tretinoin
  • Minoxidil 5%, tretinoin 0.01% — topical liquid
  • Minoxidil 5%, tretinoin 0.01% — topical foam
  • Minoxidil 5%, tretinoin 0.01% in Trichosol — topical solution
Finasteride + Minoxidil + Tretinoin
  • Finasteride 0.05%, minoxidil 5%, tretinoin 0.01% — topical liquid
  • Finasteride 0.05%, minoxidil 5%, tretinoin 0.01% — topical foam
  • Finasteride 0.05%, minoxidil 5%, tretinoin 0.01% in Trichosol — topical solution
  • Finasteride 0.1%, minoxidil 5%, tretinoin 0.01% — topical liquid
  • Finasteride 0.1%, minoxidil 5%, tretinoin 0.01% — topical foam
  • Finasteride 0.1%, minoxidil 5%, tretinoin 0.01% in Trichosol — topical solution
  • Finasteride 0.2%, minoxidil 5%, tretinoin 0.01% — topical liquid
  • Finasteride 0.2%, minoxidil 5%, tretinoin 0.01% — topical foam
  • Finasteride 0.2%, minoxidil 5%, tretinoin 0.01% in Trichosol — topical solution
Dutasteride + Minoxidil
  • Dutasteride 0.05%, minoxidil 5% — topical liquid
  • Dutasteride 0.05%, minoxidil 5% — topical foam
  • Dutasteride 0.05%, minoxidil 5% in Trichosol — topical solution
  • Dutasteride 0.1%, minoxidil 5% — topical liquid
  • Dutasteride 0.1%, minoxidil 5% — topical foam
  • Dutasteride 0.1%, minoxidil 5% in Trichosol — topical solution
  • Dutasteride 0.2%, minoxidil 5% — topical liquid
  • Dutasteride 0.2%, minoxidil 5% — topical foam
  • Dutasteride 0.2%, minoxidil 5% in Trichosol — topical solution
Finasteride + Minoxidil
  • Finasteride 0.05%, minoxidil 5% — topical liquid
  • Finasteride 0.05%, minoxidil 5% — topical foam
  • Finasteride 0.05%, minoxidil 5% in Trichosol — topical solution
  • Finasteride 0.1%, minoxidil 5% — topical liquid
  • Finasteride 0.1%, minoxidil 5% — topical foam
  • Finasteride 0.1%, minoxidil 5% in Trichosol — topical solution
  • Finasteride 0.2%, minoxidil 5% — topical liquid
  • Finasteride 0.2%, minoxidil 5% — topical foam
  • Finasteride 0.2%, minoxidil 5% in Trichosol — topical solution

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In simple terms

Gro makes personalised hair loss treatment accessible and liveable.

You get a 30ml bottle for one month, £29.99 pricing, up to three active ingredients at a concentration chosen for you, and a choice of liquid, foam, or Trichosol alcohol-free and propylene glycol-free solution. If you want a treatment that fits your scalp, your treatment stage, and your daily life — not a generic protocol — the Gro range gives you more than one route without making the choice unnecessarily complicated.

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Buy Finasteride 0.05%, Minoxidil 5% topical hair loss foam (prescription only)

This is a Prescription Only Medicine. You can request it from courierpharmacy.co.uk by completing a quick online consultation, reviewed by a UK-qualified prescriber for suitability and safety. If appropriate, Courier Pharmacy will dispense the compounded foam and deliver it discreetly.

  1. Complete the online consultation
  2. Prescriber reviews your answers for suitability and safety
  3. Prescription issued if clinically appropriate
  4. Dispensed and delivered discreetly to your door

If the treatment is not suitable, this will be explained clearly and the next best option may be suggested.

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Summary

  • Prescription-only compounded two-ingredient treatment for pattern hair loss
  • Targets DHT via finasteride and supports follicle activity via minoxidil
  • Foam format is tidier, faster-drying, and easier to apply than traditional liquid solutions
  • Finasteride at 0.05% — the lowest available compounded concentration — minoxidil at 5%
  • May help patients who are new to finasteride, have a lower anti-androgen requirement, or have found liquid formats difficult to use consistently
  • Good outcomes depend on consistency, review, and realistic expectations
  • Comes in a convenient 30ml bottle designed to last around one month, at less than £1 per day

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Finasteride 0.05%, Minoxidil 5% topical hair loss foam — Active ingredients

Finasteride 0.05%

Finasteride is a 5-alpha reductase inhibitor. It reduces the conversion of testosterone to dihydrotestosterone, or DHT — the key hormonal driver of androgenetic alopecia in susceptible hair follicles. Unlike dutasteride, finasteride selectively blocks type 2 5-alpha reductase. At 0.05%, this is the lowest available compounded concentration. It reflects a clinical decision that the most cautious approach to anti-androgen treatment is the most appropriate starting point for this individual — not a lesser option, but a considered choice based on their profile, history, and treatment goals. Starting at 0.05% is not starting weak. It is starting right for you.

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Minoxidil 5%

Minoxidil is a topical vasodilator and follicle stimulant. It supports hair growth by prolonging the anagen (growth) phase of the hair cycle, improving blood supply to follicles, and stimulating follicle cells to produce thicker, healthier hair. At 5%, this is the standard compounded concentration for adults with pattern hair loss.

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Why the foam vehicle matters

The foam base is also clinically relevant. It sits lightly on the scalp, dries faster than a liquid, and may reduce the practical friction that stops people applying their two-ingredient formula consistently — which is one of the most important factors in whether any hair loss treatment succeeds over time, particularly when building a reliable nightly routine from the earliest stage of treatment.

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What is the Finasteride 0.05%, Minoxidil 5% topical hair loss foam used for?

Pattern hair loss in men and women

This product treats pattern hair loss, also called androgenetic alopecia. In men, this often appears as a receding hairline or thinning at the crown. In women, it may present as diffuse thinning or a widening parting. The aim is to support hair retention and encourage healthier growth where clinically appropriate.

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The problems of hair loss

The practical problem is visible thinning. The internal problem is the loss of confidence that builds quietly alongside it. The deeper issue is that people should not have to feel dismissed or left to navigate treatment alone for something that so clearly affects daily life.

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Who this formula is for

Some patients come to this formula because their clinical profile indicates that both drivers of hair loss — hormonal and circulatory — need to be addressed, but finasteride should begin at its most cautious available concentration, and they want a foam format because liquid products have been too messy to use reliably night after night. Others arrive because their TrichoTest results demonstrate both a lower anti-androgen requirement and strong SULT1A1 activity, making this two-ingredient foam at the lowest finasteride concentration the most clinically considered starting point. Others still come because they are new to finasteride, want to begin carefully, and find foam the most practical format for building a consistent treatment routine. In all cases, a compounded foam at finasteride 0.05% and minoxidil 5% offers a more personalised, considered path than anything available off the shelf.

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How does the Finasteride 0.05%, Minoxidil 5% topical hair loss foam work?

Pattern hair loss is driven by multiple overlapping processes. This formula targets two of the most important directly.

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Finasteride: blocking the hormonal signal

In pattern hair loss, follicles gradually shrink under the influence of DHT. Finasteride blocks type 2 5-alpha reductase — reducing the conversion of testosterone into DHT at the follicle. At 0.05%, the concentration reflects a clinical judgment that the most cautious available approach is the right one for this individual. Starting at the lowest available dose is not starting weak. It is starting right for you. Think of finasteride as turning down the hormonal signal — reducing the DHT-driven pressure that causes follicles to miniaturise over time, beginning at the most considered available strength.

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Minoxidil: stimulating the follicle

Minoxidil is a potassium channel opener and vasodilator. Applied topically, it improves blood flow to follicles, prolongs the growth phase of the hair cycle, and stimulates follicle cells to produce thicker, healthier hair. It works through an entirely different mechanism from finasteride — addressing the circulatory and follicle-stimulating side of the equation rather than the hormonal side. Think of minoxidil as waking up the follicles — improving the conditions at the scalp so that existing follicles can produce more and healthier hair.

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How do you use the Finasteride 0.05%, Minoxidil 5% topical hair loss foam?

This formulation is a topical foam and should only be used exactly as prescribed. The usual direction is:

Apply 1ml (2 sprays) to the scalp daily

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A dose you can control

Two sprays deliver a consistent, measured dose of finasteride at the lowest available concentration alongside minoxidil. You direct it precisely to the areas of thinning. No estimating. No dripping onto skin you did not intend to treat. No waiting for a liquid to absorb before you can move on with your evening. The foam sits where you put it, spreads with your fingertips, and dries quickly — making accurate, consistent application of this two-ingredient formula straightforward from the very first night.

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The right formula for you

Because this is a compounded medicine, the prescriber selects each ingredient and concentration based on your individual clinical profile and, where used, TrichoTest results. The 0.05% finasteride concentration reflects a clinical judgment that the most cautious available starting approach to anti-androgen treatment is right for you. Minoxidil at 5% is the standard compounded concentration. The formula may adjust over time — stepping the finasteride concentration up if indicated, or adding tretinoin or other ingredients — as your treatment plan evolves.

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Building a routine that works

Many people find it easiest to apply as part of their evening routine — after a shower, before bed. The foam dries quickly, sits lightly on the scalp, and does not transfer to the pillow. Applied consistently at the same time each night and washed off in the morning, treatment has the best possible conditions to work.

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What to do if you miss a dose

Resume at the next usual time. Do not apply extra to make up for it. Consistent daily use over months matters far more than compensating for a missed night.

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Finasteride 0.05%, Minoxidil 5% topical hair loss foam — Warnings and precautions

Who should not use this product

This product is not suitable for everyone. Extra care is needed if you are pregnant, trying to become pregnant, breastfeeding, have a scalp condition affecting absorption, or have a history of allergy to any ingredient in the formulation.

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Finasteride warnings

Finasteride affects hormone pathways. Women who are pregnant or may become pregnant must not use this product — it can affect male foetal development. Men with a history of prostate cancer, BPH, or elevated PSA levels need careful assessment before starting. Finasteride lowers PSA levels, which may mask early prostate cancer. Baseline PSA screening may be required. Post-finasteride syndrome (PFS) — persistent sexual dysfunction, mood changes, or other symptoms after stopping — is a rare but recognised concern, even at the lowest available concentration. The prescriber will discuss this risk during consultation.

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Minoxidil warnings

Minoxidil is a vasodilator. Patients with a history of cardiovascular disease, low blood pressure, or cardiac conditions need careful assessment before starting. Systemic absorption is lower with topical use than oral minoxidil, but cardiovascular status will still be reviewed.

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A note on concurrent treatments

If you are using other topical hair loss agents alongside this foam, disclose this during consultation. Concurrent use of multiple topical hair loss agents is not usually recommended without prescriber guidance.

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Compounded does not mean casual

The foam format and two-ingredient formula at the lowest available finasteride concentration do not reduce the need for proper prescribing review. The same thorough safety and suitability checks apply here as with any other prescription treatment. A full medical history — including cardiovascular status, prostate health, pregnancy status, previous medication reactions, and mood or sexual function concerns — will be reviewed during consultation.

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Finasteride 0.05%, Minoxidil 5% topical hair loss foam — Side effects

Common side effects

Common side effects may include scalp irritation, dryness, redness, itching, flaking, or temporary shedding early in treatment. Early shedding is common when starting minoxidil — it occurs as follicles shift through the hair cycle and usually settles within a few months.

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Finasteride-related effects

Finasteride at 0.05% topical strength may cause sexual dysfunction in some patients — including reduced libido, erectile dysfunction, or ejaculation disorders. These effects are uncommon with topical application but have been reported even at the lowest available concentration. Mood changes, depression, or anxiety have also been documented. Post-finasteride syndrome remains a recognised concern. The prescriber will discuss this during consultation. Report mood changes, persistent sexual dysfunction, or any other concerning symptoms promptly.

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Minoxidil-related effects

Topical minoxidil may cause unwanted facial hair growth if the product spreads beyond the scalp. Apply only to the scalp and avoid contact with the face. The foam format helps with precise application and reduces the risk of product drifting to unintended areas. Systemic effects are uncommon with topical use but can include dizziness, palpitations, fluid retention, or low blood pressure.

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When to seek advice

Seek advice if you develop chest pain, dizziness, palpitations, swelling, marked irritation, signs of allergy, severe mood changes, persistent sexual dysfunction, or unwanted hair growth in areas other than the scalp.

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Finasteride 0.05%, Minoxidil 5% topical hair loss foam — Drug interactions

Why interactions matter with this formula

Both active ingredients carry interaction considerations. Thorough review before starting is essential.

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Finasteride interactions

Finasteride is metabolised via the CYP3A4 pathway. Strong CYP3A4 inhibitors may increase finasteride levels; enzyme inducers may reduce them. Topical absorption is lower than oral finasteride, but relevant medicines will be reviewed during consultation.

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Minoxidil interactions

Topical minoxidil may have an additive effect in patients taking antihypertensive medicines, potentially causing blood pressure to fall further. Patients taking medicines for cardiovascular conditions, blood pressure, or fluid balance should discuss this with the prescriber before starting.

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Other scalp products

Other scalp treatments, harsh exfoliants, or irritating cosmetic products may increase the risk of local reactions. Concurrent use of multiple topical hair loss agents is not usually recommended without prescriber guidance. All current products should be disclosed during consultation.

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Finasteride 0.05%, Minoxidil 5% topical hair loss foam — FAQs

How long does it take to see results?

Hair loss treatment needs patience. Most people need several months of consistent use before visible improvement becomes apparent. Early shedding in the first few weeks is common with minoxidil and is not a sign that treatment is failing. The foam format makes consistent nightly application easier to build into a routine — and consistency is what treatment outcomes depend on, particularly at the earliest stage.

Is this suitable for both men and women?

It may suit some adults, but the prescriber will assess this carefully. Women who are pregnant or trying to become pregnant must not use this product — it contains finasteride, which is contraindicated in pregnancy. Suitability is always assessed individually.

Why does this formula contain two ingredients rather than three?

Some patients need finasteride and minoxidil together without tretinoin at this stage — whether because starting cautiously at the lowest finasteride concentration is the priority, because the prescriber wants to assess response before expanding the formula, or because clinical judgment indicates that two ingredients are the most appropriate approach. If tretinoin or other additions are indicated over time, the formula can be adjusted.

Why is the finasteride concentration 0.05%?

0.05% is the lowest available compounded finasteride concentration. The prescriber selects it when clinical assessment — and where used, TrichoTest results — indicates that a cautious starting approach is appropriate, whether because the patient is new to finasteride, has a lower anti-androgen requirement, or the most conservative available approach is clinically indicated. Starting at 0.05% is not starting weak. It is the right option for the right patient.

Why is this in foam format?

Foam does not drip or run. It dries faster than a liquid and is easier to apply precisely to areas of thinning. For people starting finasteride for the first time who need to build a consistent nightly routine from the outset, a format that removes mess and inconvenience is not optional — it is what makes the treatment plan sustainable from day one.

How is finasteride different from dutasteride?

Both are 5-alpha reductase inhibitors that reduce DHT. Finasteride selectively blocks type 2 5-alpha reductase. Dutasteride blocks both type 1 and type 2. TrichoTest can help identify which is the more appropriate anti-androgen for the individual's genetic profile. The prescriber will discuss the most suitable option.

Can the finasteride concentration be increased later?

Yes. One of the advantages of compounded treatment is that the formula can evolve over time. If clinical assessment or TrichoTest results indicate that a higher finasteride concentration, or additional ingredients such as tretinoin, would be beneficial, the prescriber can adjust the formula accordingly. Discuss this during your consultation or at review.

What is compounding and why does it matter?

Compounding is the preparation of a medicine to order for an individual patient by a licensed pharmacy. This specific two-ingredient combination at 0.05% finasteride in a foam does not exist in any standard licensed product — compounding is what makes it possible.

Can I use it if standard hair loss products irritate my scalp?

Possibly. The foam format avoids some of the dripping and residue issues that make liquids uncomfortable. If scalp sensitivity is a more significant concern, the Trichosol version of this formula — which is alcohol free and propylene glycol free — may be a better option. Discuss this with the prescriber.

How can TrichoTest help with this treatment?

TrichoTest analyses 26 genetic markers across nine key pathways. It helps the prescriber identify whether finasteride is the most appropriate anti-androgen, whether 0.05% is the right starting concentration for the individual's anti-androgen metabolism profile, and whether minoxidil response is likely to be strong via the SULT1A1 pathway — all before treatment begins.

Does TrichoTest guarantee the right treatment?

No. It reduces guesswork and supports more informed prescribing, but it does not guarantee results. Genetic testing works best alongside clinical assessment and your personal treatment history.

Will I need a prescription?

Yes. This is a Prescription Only Medicine. A UK-qualified prescriber must review suitability before supply. The consultation can be completed online at courierpharmacy.co.uk.

Can I stop if I see improvement?

Do not stop or change treatment without advice. Hair loss often returns to its previous pattern if treatment stops, even when results have been encouraging.

What is the Gro hair loss range?

Gro is the compounded hair loss brand from Courier Pharmacy and Medical Mojo. It offers liquid, foam, and Trichosol formulations, all priced at £29.99 for up to three active ingredients — less than £1 per day.

How much does this cost?

£29.99 for a 30ml bottle, designed to last around one month. Less than £1 per day.

How long does a 30ml bottle last?

Around one month when applied as directed — two sprays to the scalp at night.

What is the difference between liquid, foam, and Trichosol?

Liquid is a traditional spray solution with alcohol and propylene glycol. Foam is lighter, faster-drying, and easier to apply without dripping. Trichosol is a propylene glycol free and alcohol free option for patients with sensitive or reactive scalps. All are available across the Gro range.

Is foam better than liquid for this formula?

It depends on your scalp and what you have found workable before. Many people find foam significantly easier to use consistently, particularly when starting treatment for the first time. The prescriber can help you decide which format suits your routine best.

Can I use other hair loss products at the same time?

Concurrent use of multiple topical hair loss agents is not usually recommended without prescriber guidance. Disclose all current treatments during consultation.

I have a heart condition — can I use topical minoxidil?

Disclose any cardiovascular history during consultation. The prescriber will assess suitability carefully. Topical minoxidil carries lower systemic absorption than oral forms, but cardiovascular status is always reviewed before prescribing.

What if I have had problems with finasteride before?

Disclose this during consultation. Any previous adverse effects from finasteride — including post-finasteride syndrome — are essential information for the prescriber to assess your suitability safely.

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Disclaimer

This article is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional before starting any new treatment.

References

[1] NHS. Hair loss. Available at: https://www.nhs.uk/conditions/hair-loss/

[2] NICE CKS. Alopecia — androgenetic. Available at: https://cks.nice.org.uk/topics/alopecia-androgenetic/

[3] Suchonwanit, P., Thammarucha, S. and Leerunyakul, K. (2019) Minoxidil and its use in hair disorders: a review. Available at: https://pmc.ncbi.nlm.nih.gov/articles/PMC6691938/

[4] Courier Pharmacy (n.d.) Dutasteride and minoxidil: a powerful combination for hair loss in the UK. Available at: https://courierpharmacy.co.uk/dutasteride-and-minoxidil-a-powerful-combination-for-hair-loss-in-the-uk/

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Byline

Written by the Courier Pharmacy clinical content team and reviewed in line with UK pharmacy standards.

How this content was created

This content was created using UK clinical guidance, peer-reviewed evidence, and patient-focused healthcare writing principles. It supports safe understanding, not self-prescribing, and has been reviewed in line with pharmacy standards.

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Download patient leaflet

Gro Finasteride 0.05%, minoxidil 5% topical hair loss foam courierpharmacy.co.uk
Finasteride 0.05%, minoxidil topical hair loss foam
£29.99

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