CheckVegan

Is Fibroin Oligopeptide-4 vegan?

Fibroin Oligopeptide-4

Fibroin Oligopeptide-4 is a single-chain peptide obtained by hydrolysis of fibroin, the structural protein of silk produced by silkworms. It consists of 12 amino acids including alanine, arginine, aspartic acid, glutamic acid, glycine, isoleucine, serine and valine.

INCI name Fibroin Oligopeptide-4
CosIng ID 106139
Last reviewed 4 July 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

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