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Archived from the original on 21 March 2011

The single dose, short (1 h) observation period, and lack of placebo arm are limitations in this proof-of-concept study and provide direction for follow-up studies

Research & Cosmetic Formulation Applications GHK-Cu (Copper Tripeptide-1) is widely utilized in cosmetic skincare formulation research and advanced cosmetic applications due to its popularity in hydration-focused and cosmetic skin-conditioning products

Wells GA, Shea B, O'Connell D, Peterson J, Welch V, Losos M, Tugwell P: The Newcastle-Ottawa Scale (NOS) for assessing the quality of nonrandomised studies in meta-analyses