Supplements1 mentions

Biotin

Host notes sufficient biotin is important and suggests extra biotin from shampoo may help, though evidence is unclear; mentioned mainly in the context of offsetting ketoconazole-related dryness and brittleness and supporting keratin incorporation.

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“Things like thinning and brittleness of the hair that sometimes can be offset by using shampoos that contain things like biotin... but it is clear that having sufficient biotin around is important.”

huberman · The Science of Healthy Hair, Hair Loss and How to Regrow Hair · Apr 10, 2023 · 1:37:29 · open ↗

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