GHK is promising biology, not magic medicine., Most real human data is topical, not systemic., And there are people where caution matters:, Active or recent cancer, Copper imbalance or metabolism Buy Epitalon 3mg Premium Quality Made in Europe International Shipping Available Buy Now with Express International Delivery GoSupps.com 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 In situ photo crosslinkable hyaluronic acid based hydrogel embedded with GHK peptide nanofibers for bioactive wound healing ScienceDirect