Potential Skin Benefits of GHK-Cu Smooths fine lines and wrinkles Improves firmness and elasticity Evens out tone and texture Speeds up healing after microneedling, RF, or laser treatments Strengthens the skin barrier to lock in moisture and protect against irritation How it's used: Topical application: Usually applied as a serum or cream directly after treatments or as part of a daily skincare routine
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[DOI] [PMC free article] [PubMed] [Google Scholar] 102.Gou LY, Li AN, Yang JJ, Zhang XC, Su J, Yan HH, Xie Z, Lou NN, Liu SY, Dong ZY, Gao HF, Zhou Q, Zhong WZ, Xu CR, Wu YL
Additionally, skin whitening using a melanin index also significantly improved at 4, 8, or 12 weeks of treatment