Matrixyl Research Guide
Full name: Matrixyl (Palmitoyl Pentapeptide-4 / Pal-KTTKS)
A lipopeptide of palmitic acid linked to pentapeptide KTTKS. One of the most researched anti-aging cosmeceutical peptides, stimulating collagen and fibronectin.
How Matrixyl Works
Signals through TGF-B pathway to stimulate fibroblast production of collagen I, III, IV, fibronectin, and hyaluronic acid. Palmitoyl chain enhances penetration.
Dosing Protocol
- Typical dose: 2-8% in serum/cream
- Frequency: 1-2x daily
- Duration: 8-12 weeks for visible results
- Route: Topical
Reported Benefits
- Stimulates collagen I, III, IV
- Reduces wrinkle depth up to 45%
- Increases skin thickness
- Improves firmness
- Enhances hydration
Potential Side Effects
- Rarely irritating
- Possible mild tingling
Research Citations
- Topical palmitoyl pentapeptide-4 reduces wrinkle depth (2020) - Reduced wrinkle depth by 36% and improved roughness by 18% in 12-week double-blind study.
- Collagen stimulation by KTTKS in human fibroblasts (2019) - Increased type I procollagen by 117% and fibronectin by 200% in cultured fibroblasts.
Related Skin & Anti-Aging Compounds
View full Matrixyl profile with 3D molecule viewer →