GHK cu Shampoo to Use After Hair Transplant STEMBOTANY Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum Biossance GHK Cu Hair Growth GHK Cu the copper peptide that supports collagen production, improves skin elasticity, enhances wound healing, and promotes thicker, healthier hair., This isnt hype., Its signaling your body to Before vs. after 3 months of GHK Cu peptide therapy smoother texture, more even tone, and skin that looks healthier overall. Small peptide, big difference