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Is Hydrolyzed Silk Ethyl Ester vegetarian?

Hydrolyzed Silk Ethyl Ester

Ethyl Ester of Hydrolyzed Silk is derived from silk protein hydrolyzed and esterified with ethanol, used in cosmetics for its film-forming and conditioning properties. It is produced from silk fibers obtained from silkworm cocoons.

Also known as Silk Protein Hydrolyzate Ethyl Ester
INCI name Hydrolyzed Silk Ethyl Ester
CAS number 9004-34-6
CosIng ID 76009
Last reviewed 9 July 2026

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

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