However, there is no strong clinical evidence to show that topical biotin will help with hair growth.
Biotin shampoos are going to overpromise and underdeliver when it comes to hair growth and strength, Massick said.
Heres what to know about biotin shampoos and alternatives that might work better for hair growth.
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But if you have a deficiency,biotin supplementsare the most effective way.
They can replenish biotin levels and stimulate keratin production, which can preventhair lossand improve hair growth and strength.
Biotin shampoo, on the other hand, is likely ineffective no matter your biotin levels, said Massick.
Cleveland Clinic.Biotin: what are the benefits?
And do you really need supplements?.
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National Library of Medicine: MedlinePlus.Androgenetic alopecia.
Evron E, Juhasz M, Babadjouni A, Mesinkovska NA.Natural hair supplement: friend or foe?
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