Vegamour GRO Hair Serum review: does it work for menopause thinning hair?

Name: Vegamour GRO Hair Serum review: does it work for menopause thinning hair?
Creator: MenoWoman

Vegamour GRO Hair Serum has no published independent trials, and its headline results come from the brand's own survey of 40 users. Minoxidil, by contrast, has strong trial evidence and regulator approval for female pattern hair loss.

Researched by the MenoWoman team. Edited by Marcela Sat. Updated 7 November 2026. We may earn from links.

See a doctor if hair loss is sudden, patchy, comes with scalp redness, scaling or pain, or follows illness or a new medicine. Stop using any scalp product that causes a rash or swelling and get advice.

What GRO Hair Serum is and what the brand claims

GRO Hair Serum is a leave-in scalp serum marketed for thinning hair. It is applied to the scalp and not rinsed out.¹

The brand says 93% of users had less shedding, 90% saw better-looking hair and 83% had stronger hair. These figures come from a 120-day consumer perception study of 40 people.¹

This page is an evidence review, not a hands-on test. We looked for published studies and compared them with the brand's claims.

What is in it

The listing names a turmeric-derived ingredient, a red clover and mung bean sprout extract, several plant-made peptides, caffeine and biotin.¹ The brand says turmeric boosts the look of hair density and caffeine stimulates the scalp.¹

The brand notes its ingredient list may change.¹ Check the pack you buy, especially if you react to plant extracts.

None of these ingredients is a licensed hair loss medicine in the US or UK.

What the research shows

We found no published, peer-reviewed trial of GRO Hair Serum, and no independent study of it. The brand's results rest on its own consumer study.¹

A consumer perception study asks users how they feel their hair has changed. It usually has no placebo group and no measured hair counts. People who pay for a product and expect it to work often report improvement.

We also found no human trials of this ingredient mix for hair loss. Plant extracts and peptides may sound promising, but lab or cosmetic data cannot show they regrow hair in menopausal women.

Even for oral hair supplements, a large 2023 review found that the quality of evidence varied widely with study design.⁴ Topical cosmetic serums usually have even less published data.

Cosmetic serums are not tested or approved the way medicines are. A brand can say a product gives fuller-looking hair without proving it regrows hair. Words like visibly, appearance and looking are signs of a cosmetic claim, not a medical one.

The serum also lists biotin.¹ We found no good evidence that biotin applied to the scalp regrows hair. The FDA's biotin lab-test warning concerns biotin in dietary supplements, which are taken by mouth.⁵

How it compares with minoxidil

Minoxidil is a licensed medicine for female pattern hair loss in the US and UK.^3,2 In a 24-week trial, about 200 women used 5% foam and about 200 used an identical foam without the drug. Hair counts rose about three times more with minoxidil.²

Minoxidil has downsides. It can cause early shedding, itching and unwanted facial hair, and it should not be used in pregnancy or breastfeeding.² The US label says to ask a doctor first if you have heart disease.³ GRO is a cosmetic and has no published safety warnings, but it also has no proven benefit.¹

Some women use cosmetic serums for the feel and look of their hair. If your goal is to regrow hair, the evidence points to minoxidil. See our minoxidil guide.

Safety, who it might suit and alternatives

As a leave-in cosmetic, the main risk is scalp irritation or allergy to an ingredient. The listing gives no safety warnings or allergy notices.¹ Patch-test first if you have sensitive skin. Ask a doctor or pharmacist before using it alongside a scalp medicine.

Thinning hair in midlife can come from thyroid disease, low iron, stress or medicines. It is worth ruling these out with a doctor before relying on any serum.

It may suit women who want a cosmetic product and accept that results are unproven. Read about thinning hair in menopause and rosemary oil, or browse our hair products page.

Price and value

It is sold one-off through retailers such as Sephora.¹ Check the brand site for subscription or refill options and the current price. Because the brand cites results at 90 to 120 days, expect to buy several bottles before judging it.

Taking photos of your part line in the same light every month gives a fairer view than memory alone.

What it is used for: evidence rated

Option	Evidence	What the research shows
Minoxidil (for comparison)	Strong evidence	Licensed for female pattern hair loss, with a large placebo-controlled trial in women.²
Less shedding	Weak evidence	Based only on a brand-run 120-day survey of 40 users with self-reported results.¹
Fuller, thicker-looking hair	Weak evidence	Same brand consumer study; no measured hair counts or placebo group published.¹
Independent clinical evidence	No evidence	We found no published independent trial of this serum.

Ratings explained: how we rate. Always talk to a doctor or pharmacist before starting a medicine or supplement.