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If you do layer them on the same evening, apply the copper peptide serum first, wait 10 to 20 minutes for full absorption, then apply retinol, followed by a moisturizer

legal to buy for research purposes only. UK & EU: Classified as unlicensed medicinesillegal to market for human consumption

hold a published patent (WO/2023/180570) that covers the in vitro method for identifying anti-senescence compounds based on detecting the binding of said compound in the presence of at least one phosphorylated amino acid in the transcription activation domain (TAD) domain of mammalian protein p53

Currently, these peptides can't be made in the U.S., except for research purposes, leading many peptide users to buy unvetted substances sold online, with disclaimers such as "for research use only" and "not for human consumption." By narrow margins, the panel voted in favor of all but one