CheckVegan

Is Sulfonated Keratin vegetarian?

Sulfonated Keratin

Sulfonated Keratin is a modified protein obtained by the oxidative sulfitolysis of wool keratin, derived from sheep's wool, used in hair and skin care products for its conditioning properties.

INCI name Sulfonated Keratin
CosIng ID 86945
Last reviewed 9 July 2026

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

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