A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend PEPTIDE Mousai Wellness Center Get glowing skin with GHK CU peptide therapy GHK CU is a naturally occurring plasma peptide that significantly declines during aging. GHK CU exhibits anti aging properties by: stimulating collagen production improving skin elasticity and Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule The Notable Benefits of Copper Peptides for the Body