GHK Cu Peptide Therapy as the perfect skin and hair rejuvenation tool. Simply combining GHK Cu peptide with your favourite cream or serum creates a blend suitable for application to your face, neck El GHK Cu (Copper Peptide) for Hair Supports healthier, stronger looking hair Helps nourish the scalp and hair follicles Promotes thicker, fuller appearance Encourages improved GHK Cu for hair growth does it actually work? Short answer: no. GHK Cu can be great for skin but when it comes to hair growth, the evidence just isn't there. And this GHK Cu Hair Growth Serum Proven Copper Peptide, $299 Ingredients Hairgenetix GHK Cu, AHK Cu & PDRN Peptides