AKA: Silk Fibroin Hydrolysate, Hydrolyzed Silk Protein
Synthetic · Hair Conditioning · EWG: 4
Synthetic
Skin Conditioner
Hair Care
Synthetic
Clean
Protein hydrolyzates, fibroin Science: Process: Hydrolysis | Functions: Hair Conditioning, Skin Conditioning Safety Ratings: CIR: Safe as used
Form
Liquid
See origin →
Functions
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
Traditional Use
Fibroin is the primary protein in silk; sericulture dates back thousands of years in Asia. Hydrolyzed fibroin was developed in the 20th century for cosmetics to provide silk's traditional skin-smoothing and conditioning benefits.