Keratin amino acids are the smallest building blocks of keratin protein, obtained by breaking down keratin from animal sources like wool or feathers. These tiny fragments can readily penetrate hair and skin, offering deep conditioning, repair, and strengthening benefits.
NoneProtein fragmentsNot veganEvidence: Medium
BenefitGood 2.7 / 4
Hydration
Soothing
RiskVery low 0 / 4
Rated by SpottyLabs' ingredient methodology, independent of brands.
What it helps with
Strengthens hair
Repairs damaged hair
Conditions skin
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How do keratin amino acids differ from hydrolyzed keratin?
Keratin amino acids are smaller fragments than hydrolyzed keratin, meaning they can penetrate more deeply into the hair and skin for more intensive repair and conditioning benefits.
Are keratin amino acids vegan?
No, keratin amino acids are derived from animal sources, typically wool or feathers, and are therefore not considered vegan.
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