Minoxidil for beard growth: what is known

Videos of patchy beards filling in after months of minoxidil have made beard use one of the most searched minoxidil topics. Minoxidil is licensed for scalp hair loss, not for beards, so using it on the face is an off-label use. This article sets out what is known, what is not, and how to think about it sensibly.

Why people try it on the beard

Facial hair density varies a lot between people and is largely set by genetics and hormones. Some men have patchy cheeks or a thin moustache and would like fuller coverage. Because minoxidil can make fine hairs thicker and longer on the scalp ¹, it is natural to wonder whether it does the same on the face.

What the research shows

The evidence is limited:

• A randomised, double-masked, placebo-controlled trial tested 3% minoxidil lotion on the beard area for 16 weeks and reported a modest increase in beard hair counts compared with placebo ²
• Case reports describe facial hair changes with off-label minoxidil use ³
• There are few long-term studies, and we know little about what happens to new beard hairs after stopping

So evidence suggests it may help some men to a modest degree, but the effect seen in trials was smaller than many social media posts imply.

How people usually use it

People who try it typically apply a small amount of topical minoxidil to the beard area once or twice daily, following the product label for the scalp as a guide. Points to keep in mind:

• Facial skin is often more sensitive than the scalp, so irritation can be more noticeable
• Apply to clean, dry skin and wash your hands afterwards
• Avoid the eyes, lips and inside the nose
• Do not apply more than recommended; using more does not mean faster results and may increase side effects

It is wise to speak to a pharmacist or doctor before trying it, particularly if you have heart problems, low blood pressure or sensitive skin.

Side effects

• Skin irritation, dryness, redness or flaking are the most common issues. These may come from the solution base or from minoxidil itself ⁴
• Contact dermatitis, an allergic-type rash, which is uncommon but possible ⁴
• Dizziness, palpitations or swelling, which are rare with topical use but should prompt you to stop and seek advice ⁵
• Hair growth in unwanted areas if the product spreads, for example onto the forehead

Minoxidil can be harmful to cats and other pets if they lick treated skin, so take care at home. See minoxidil side effects for a fuller list.

How long it takes

Like scalp use, results take months. Fine, light hairs often appear first. The beard trial ran for 16 weeks ², and many people judge their own results over a longer period. Our article on how long minoxidil takes gives a general timeline.

What happens if you stop?

On the scalp, hair gained with minoxidil is usually lost gradually after stopping ¹. Whether thicker beard hairs remain after stopping has not been well studied. Some people report that coarse beard hairs persist while fine hairs fade, but this is anecdotal. Plan as if any effect may depend on continued use. Read what happens if you stop minoxidil for more.

Oral minoxidil and facial hair

Increased facial and body hair is a known side effect of oral minoxidil ⁶. However, oral minoxidil is a prescription medicine with effects on blood pressure and heart rate, and it should not be taken just to grow a beard without a doctor's assessment. See oral minoxidil.

Other options

• Patience: facial hair often continues to fill in through the twenties
• Grooming: a shorter, even length or a different shape can make patchy areas less noticeable
• Beard transplant: hair can be moved from the scalp to the face in a surgical procedure, which has its own risks and costs ⁷

Choosing a product

If you decide to try it, choose a properly labelled product from a pharmacy. Some people prefer foam because it dries faster and is less greasy on the face. Our comparison of minoxidil foam and solution explains the differences.

When to see a doctor

See a doctor if you have sudden patches of beard hair loss, which can be a sign of alopecia areata ⁸, or if a rash, swelling or heart symptoms develop after starting minoxidil.

Frequently asked questions

Does minoxidil grow a beard?

One placebo-controlled trial of 3% minoxidil lotion found a modest increase in beard hair counts over 16 weeks ². Results vary.

Is it safe to use minoxidil on the face?

Skin irritation is common and allergic reactions are possible ⁴. Speak to a pharmacist or doctor first, especially if you have heart problems.

Will my beard fall out if I stop?

This has not been well studied. On the scalp, gains are usually lost after stopping ¹.

Should I take oral minoxidil for my beard?

Oral minoxidil is a prescription medicine that affects blood pressure and heart rate, so it should only be used under a doctor's care ⁶.

Educational content. Not medical advice.