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AHK-Cu is more specialized and primarily used in hair and scalp-focused cosmetic applications

The Smart Approach: Stack, Dont Switch Rather than choosing between copper peptides and retinol, the evidence supports using both each addresses aging through a different biological mechanism, and theres no known antagonism between the two pathways

10.1038/mi.2014.35 [DOI] [PubMed] [Google Scholar] Chen J., Xu F., Ruan X., Sun J., Zhang Y., Zhang H., et al

112 SRLs also have direct anticancer activity through their actions on tumor cells that express somatostatin receptors, but it is unclear whether they suppress tumoral (autocrine/paracrine) secretion of GH