GHK Cu Hair Growth The power of copper peptides for hair growth GHK Cu isn't just another trend, it's a science backed peptide that helps stimulate hair follicles, reduce inflammation, and improve scalp health for thicker, 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 Copper Peptide Hair Growth Serum (10% GHK Cu + 5% AHK Cu) 30ml ROBYN'S TACK ROOM