Our product, Copper Peptide -GHK-Cu L-Lysine, Glycyl-L-Histidyl Ahk-Cu, is a top-of-the-line skincare ingredient that is perfect for anti-aging and rejuvenation. This blend of peptides and copper helps to promote collagen production, leading to firmer, smoother skin. Our factory uses only the highest quality ingredients to produce this product, ensuring its efficacy and safety. With CAS number 49557-75-7, this product is a must-have for any anti-aging skincare routine. We are proud to offer this product to our customers and are committed to providing the best quality possible. Trust us to provide you with the best skincare products available!