CheckVegan

Is Keratin vegetarian?

Keratin

Vegetarian Unconfirmed

Keratin is a fibrous structural protein found in the hair, nails, hooves, horns, and feathers of vertebrate animals. It is commercially extracted from these animal-derived materials and used in hair care, cosmetics, and textile treatments for its conditioning and strengthening properties.

Also known as Feather Keratin, Hair Keratin, Hydrolyzed Keratin, Wool Keratin
INCI name Keratin
CAS number 68238-35-7
EC number 269-409-1
CosIng ID 34796
Last reviewed 16 April 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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