minoxidil, 1993: A small double-blind trial found that a topical GHK-Cu solution produced hair density improvements comparable to 5% minoxidil over 6 months in men with androgenetic alopecia
Deamidation Deamidation occurs when asparagine (Asn) or glutamine (Gln) residues in the peptide chain lose their amide group and convert to aspartic acid or glutamic acid respectively
4, Supplementary Table 2)
But the peptides being promoted by influencers, celebrities and wellness gurus are different: Many have never been approved for human use and much of their purported evidence comes from studies in rats and other animals
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