Palmitoyl Pentapeptide-4 (Matrixyl, pal-KTTKS) ek lipidated peptide hai jo fibroblasts ko signal bhejta hai aur unhe collagen, elastin aur dusre extracellular matrix components banane ke liye encourage karta hai. Isko topical formulations mein use kiya jaata hai taaki fine lines aur wrinkles kam dikhe aur skin ka texture improve ho. Ye ingredient anti-aging ke liye bahut accha hai aur mature skin ke liye perfect hai.