Tripeptide-9 Citrulline is a synthetic bioactive peptide composed of three amino acids linked with the amino acid citrulline. It is widely used in cosmetic and dermatological formulations for its skin-repair, collagen-supporting, and anti-aging properties.
This peptide works as a cell-communicating ingredient, meaning it can signal skin cells to support collagen production, tissue repair, and overall skin regeneration. Because of this mechanism, it is often included in anti-aging, skin-renewal, and firming products.
 
 
Applications: Anti-aging creams and serums Wrinkle-reducing formulations Skin repair and regeneration products
Appearance:  White to off-white crystalline powder
Solubility:  Soluble in water
pH Range:  pH 4.0 – 7.5
Chemical Formula: C₂₆H₄₄N₈O₉
Cas. No: 928007-64-1