1.Basic information: INCI Name: Palmitoyl Pentapeptide-4/palmitoyl pentapeptide-3 Cas No: 214047-00-4 Formula: C39H75N7O10 Molecular: 802 Sequence: Palmitoyl-KTTKS Activity: Stimulates collagen by signal peptide Purity: >95% Source: Grade: cosmetic Stability: stable Solubility: slightly soluble in water Formulation: available for your reference, please contact us MSDS and COA: available for your reference, please contact us Delivery: promptly from stock Capacity: 1kg per month Appearance: white powder 2.Application:skin care-aging,repair 3.Usage Palmitoyl pentapeptide-4 Helps stimulate collagen and elastin. The action is very similar to retinol without the irritation. 4.Description: Palmitoyl pentapeptide-4 (Pal-Lys-Thr-Thr-Lys-Ser = Pal-KTTKS) contains 5 amino acids linked to a 16-carbon aliphatic chain for improving the penetration of the molecule through the lipid structures of the skin. It is a matricide.Matrikines are messenger peptides capable of regulating cell activities by interacting with their specific receptors.