Menopause hair · Evidence led

Minoxidil and menopause: questions before starting

What minoxidil is, what the research shows for female pattern hair loss and the questions worth asking before you buy or start anything.

Minoxidil is the treatment with the strongest trial evidence for female pattern hair loss, including the thinning many women notice around menopause. It does not work for everyone, it takes months and any benefit usually lasts only while it is used.

I sat with women who had bought a bottle after a late night search and women who were too frightened to try anything at all. Both deserved a calm briefing before they decided. This page is that briefing: what minoxidil is, what the research shows and what to ask a pharmacist or prescriber. It is an overview, not instructions for use and not a recommendation. For the wider treatment picture, read our evidence guide to menopause hair loss treatments.

Who may benefit

Minoxidil is used for female pattern hair loss: gradual thinning on top of the head, a slowly wider parting and finer hairs, usually with a front hairline that stays in place.^[3][7][8] That pattern becomes more common with age and after menopause.^[9][8]

It is not a first step for every hair change.

• Sudden or patchy loss, a receding hairline, a sore or scaly scalp or eyebrow loss need a doctor, not a new bottle.^[4][10]
• Extra shedding after illness, stress or a diet change often eases once the trigger has passed.^[11][12]
• Breakage along the hair shaft often improves with gentler care.^[13]
• If iron deficiency or a thyroid change is part of the picture, that needs proper assessment.^[13][14]

The British Association of Dermatologists describes topical minoxidil as a main option for female pattern hair loss and notes that a diagnosis should come first.^[3] If you are still working out what you see, start with shedding, thinning or breakage or will hair grow back after menopause.

What the products are

Topical minoxidil is a lotion or foam applied to the scalp. In the UK, licensing is product specific. Products come in different licensed strengths and in formats aimed at women or at men. A women's once daily 5% foam is licensed for female pattern hair loss in women aged 18 to 65.^[3][5] Labels, who a product is for and when to stop differ, so the box in your hand matters more than a generic description online.

This article does not tell you how to use a product or which strength to choose. That conversation belongs with a pharmacist who can see the licence, your age, your health and whether you could be pregnant. Perimenopause does not mean pregnancy is impossible. Licensed products advise against use in pregnancy or while breastfeeding and on a sore scalp.^[5]

In the United States, the American Academy of Dermatology also discusses topical minoxidil as a treatment option for female pattern hair loss.^[7] Product names and labels differ by country, so use local advice rather than importing a routine from another market.

What the research shows

A Cochrane review of 47 trials found minoxidil more effective than placebo for female pattern hair loss. About twice as many women reported at least moderate regrowth. Evidence quality was mostly moderate to low and there was no clear pooled difference between the two commonly studied strengths.^[1]

A 48 week trial in 381 women found that both a 2% and a 5% solution helped compared with placebo. The higher strength caused more itch and facial hair.^[2]

Those trials were in women with female pattern hair loss, not in a group selected only for menopause. The pattern becomes more common after menopause, which is why the evidence is still relevant, but it is honest to say that "menopausal hair" was not a separate study category in these reviews.^[1][9]

Hair grows about 1 cm a month. Most treatments are judged over 6 to 12 months.^[3] A temporary increase in shedding can happen in the first weeks as hairs shift through the cycle. For the UK women's 5% foam, the product information advises stopping if there is no improvement after 24 weeks.^[5] Any benefit usually lasts only while you keep using it.^[3]

Side effects and precautions

Common effects discussed in trials and product information include scalp itch or irritation and unwanted hair on the face.^[2][5] Contact a doctor urgently if you have chest pain, a racing heart, dizziness or swollen ankles while using minoxidil.^[5] The UK women's foam is not for people with high blood pressure.^[5]

Do not use it on a sore, infected or unexplained rash on the scalp. Unexplained, sudden or patchy loss needs assessment first.^[4][5]

Minoxidil can be toxic to cats and dogs even in small amounts. Keep pets away from treated skin, pillows, nightclothes and spills and wash your hands after use. The American Academy of Dermatology has issued a public caution on this.^[6]

If you already take medicines for blood pressure or heart conditions, tell the pharmacist before buying anything. Never combine products or change a prescribed medicine on the basis of an article.

Low dose oral minoxidil

The tablet form of the same medicine is sometimes prescribed at much lower doses than those used for blood pressure. Use for hair loss is off label in the UK.^[3][15]

A review of 17 studies including 634 patients reported that low doses appeared effective and generally well tolerated, while calling for larger randomised trials.^[15] A small trial in 52 women found no statistically significant difference in hair density between a daily tablet and a topical 5% treatment after 24 weeks. Extra facial or body hair and swelling in the limbs were among reported effects.^[16] The British Association of Dermatologists notes that oral treatment may be at least as effective as topical treatment in certain scenarios.^[3]

Possible effects include extra facial or body hair, fluid retention and a faster heartbeat.^[16] This is a decision for a prescriber who can weigh your heart health, other medicines and monitoring, never something to buy online or share.

What to ask a pharmacist

If minoxidil is not right for you, that is useful information too. Our treatments overview covers other options and HRT and hair loss explains why hormone therapy is not a stand alone hair treatment.^[17]

You can use our free 7 day hair kindness checklist while you decide what to ask, including a medicines list and a baseline photo.

More detail, in one place

The Menopause Hair Guide includes a minoxidil safety page, a treatments overview and questions to take to a pharmacist or GP. It is information to help you decide with a professional, not a prescription.

Keep reading

• Menopause hair loss treatments: an evidence guide
• Will hair grow back after menopause?
• HRT and hair loss: help, harm or coincidence?

This article is general education, not medical advice. It cannot diagnose or treat any condition. Speak to a qualified hair expert or your GP about hair changes and seek medical help promptly for the warning signs above.