Matrixyl
Matrixyl (Palmitoyl Pentapeptide-4 / Pal-KTTKS)
The most extensively studied cosmetic peptide in dermatology research. A collagen-stimulating peptide that tells your skin cells to produce more collagen and elastin from within, not just filling in wrinkles from the outside.
Strong animal and lab research
Wrinkle Reduction
Published clinical studies demonstrate up to 68% reduction in total wrinkle surface with consistent topical application. Works by mimicking a collagen breakdown signal to stimulate repair from within.
Collagen & Elastin Synthesis
Studied for directly upregulating collagen I, III, and IV production in fibroblasts, as well as fibronectin and hyaluronic acid. Building the structural scaffolding of youthful skin.
Skin Firmness & Texture
Clinical studies show significant improvements in skin elasticity, firmness, and surface texture with consistent use over 8–12 weeks, validated by skin measurement instruments rather than patient self-report alone.
Not medical advice. Talk to a licensed provider.