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Is Hydrolyzed Fibroin vegetarian?

Hydrolyzed Fibroin

Hydrolyzed Fibroin is a protein hydrolyzate derived from fibroin, the main structural protein of silk produced by silkworms, used in cosmetics for its moisturizing and film-forming properties.

Also known as Silk Peptides
INCI name Hydrolyzed Fibroin
CosIng ID 56612
Last reviewed 9 July 2026

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

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