GHK CU Topical Serum Kit 50ml Azur Skin GHK Cu Injectable Team Wellcore How Long Does GHK Cu Take to Work? GHK Cu Timeline 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 GHK Cu = hype or real science?, Natural peptide, Declines with age, Strong lab data, But:, Topical = useful for skin and hair, Injectable = for injuries and inflammation , #GHKCu