Tripeptide-10 Citrulline  is a synthetic peptide composed of three amino acids combined with citrulline, designed to support skin structure and improve collagen organization. It is widely used in advanced anti-aging skincare for its ability to enhance the quality—not just the quantity—of collagen in the skin.
This ingredient works by regulating how collagen fibers are formed and aligned, promoting a more uniform and stronger collagen network. As a result, it helps improve skin firmness, elasticity, and resilience while reducing the appearance of fine lines and sagging.
 
 
Applications: Used in anti-aging and firming skincare products such as serums, creams, lotions, and eye treatments to improve collagen structure, skin elasticity, and reduce wrinkles.
Appearance:  White to off-white powder
Solubility:  Water-soluble
pH Range: Typically stable in formulations with pH 4.0 – 7.0
Chemical Formula: C₁₆H₂₈N₆O₇
Cas. No: 960531-52-6