Dipeptide-15
Barrier repair and moisturization peptide. Dipeptide enhancing skin barrier function, increasing ceramide synthesis, and improving water retention for dry and sensitive skin formulations.
Dipeptide-15, also known as Glycylglycine or Diglycine, is a simple yet highly effective synthetic dipeptide composed of two glycine amino acid residues (Gly-Gly). As one of the smallest functional peptides used in cosmetics, it boasts exceptional skin and hair penetration due to its ultra-low molecular weight of only 132.12 Da. Listed in the INCI dictionary as Dipeptide-15 and officially included in China’s Catalogue of Used Cosmetic Raw Materials (2021 Edition, No. 02390), it has established itself as a versatile and safe cosmetic ingredient for both skin conditioning and hair conditioning applications.
| Parameter | Specification |
| CAS | 556-50-3 |
| Molecular Formula | C₄H₈N₂O₃ |
| Molecular Weight | 132.12 g/mol |
| Category | Barrier Repair |
| Purity | ≥99% |
| Status | Cosmetic-grade, INCI compliant |
| Applications | Barrier repair, moisturization, sensitive skin, ceramide synthesis |
| CAS | 556-50-3 |
|---|---|
| Applications | Anti-aging Skincare, Anti-hair Loss Products, Moisturizing Creams, Scalp Treatments |
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