Product Name: Acetyl Tetrapeptide-9 INCI Name: ACETYL TETRAPEPTIDE-9 Molecular Formula: C22H33N7O9 Molecular Weight: 539.54 Appearance: White powder Purity: 99% CAS Number: 928006-50-2 Standard: Enterprise Standard Supplier: ZhenYiBio Acetyl tetrapeptide-9 is specifically aimed at strengthening the connection of lumican between collagen fibers and improving its function. It can strengthen the skin's resistance to traction and improve firmness. -Stimulate the synthesis of type I collagen and lumican to improve the skin's supporting tissues. -Increase the firmness of the skin -Improved skin thickness and firming effect