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Ingredient Facts
Glycine soja (Soybean) peptide
AKA: Soybean Peptide
Ingredient · Film Forming · EWG: 4
Plant-Derived Synthetic
Occlusive
Skin Conditioner
Hair Care
Amino Acid
Not Clean
Glycine Soja (Soybean) Peptide is a cosmetic ingredient used as film forming, hair conditioning, skin conditioning. Assessed as safe by the CIR.
CAS #
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Form
Powder
See origin →
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
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.
Boosts collagen production
Reduces fine lines
Traditional Use
Soybeans have been used in traditional Asian cuisine and medicine for millennia. Soy peptides are a modern extraction developed in the late 20th century to isolate amino acid chains believed to support skin protein synthesis and firmness.