Question
Is Hair skin nails keratin legit?
In context of Hair skin nails keratin·Insufficient evidence56/100
In our editorial model, Hair skin nails keratin maps to a Insufficient evidence verdict at 56/100 overall (evidence 48/100, safety 72/100, hype gap 64/100). Labeled supplement ingredient; Label-literacy and evidence homework. Typical label framing: Varies by brand and form; not individualized here.
Full ingredient file
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Open Hair skin nails keratin verdictOther questions on Hair skin nails keratin
A few more focused pages for the same ingredient (we keep lists short on purpose).