Palmitoyl Tetrapeptide-7, Major Component in Matrixyl 3000, Cosmetic Ingredient

Descriptions INCI Name: Palmitoyl Tetrapeptide-7CAS#: 221227-05-0 Palmitoyl tetrapeptide-7 (GQPR) is a synthetic peptide and signaling molecule used in cosmetics to increase skin firmness and collagen production. It's the major one of the two peptides in the Matrixyl 3000 duo. In the past, it was also called Palmitoyl Tetrapeptide-3. Palmioty tetrapeptide-7 is a lipopeptide designed to mimic DHEA activity and restore cytokine balance to mature skin. The lipo-tetrapeptide with sequence Pal-GQPR, a fragment of immunoglobulin G, is sometimes referred to as the "youth hormone molecule." Palmitoyl Tetrapeptide-7 reduces Interleukin-6 (IL-6) production by the critical cells keratinocytes and fibroblasts in the skin. Interleukin-6 is a mediator of inflammation that leads to more rapid degradation of the extracellular matrix components, promoting wrinkles formation and lessening the firmness and elasticity of the skin. By reducing IL-6 and other pro-inflammatory agents, Palmitoyl Tetra