GHK-Cu topical is often used daily as a standalone serum or cream
PMID 38665151
In fact, epithalon lowers the expression of these proteins below the level observed in young cell cultures [22]
According to a review encompassing several clinical trials involving topical GHK-Cu, the peptide can provide several benefits for the skin, including [4]: Tightening loose skin Reversing thinning of aged skin Improving skin firmness, elasticity, and clarity Reducing fine lines and depth of wrinkles, and improving the structure of aged skin Smoothing rough skin and improve overall skin appearance Protecting against UV and photoaging Reducing photodamage, mottled hyperpigmentation, skin spots, and lesions One randomized controlled trial reported that compared to a control serum, GHK-Cu applied topically twice daily in the course of 8 weeks reduced wrinkle volume by 55.8% and wrinkle depth by 32.8% in 40 female volunteers aged 40 to 65 years [17]
Approximately 900 adult participants were enrolled across six randomized, double-blind, placebo-controlled clinical trials conducted between 2001 and 2006
