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Helps brighten dull skin
The theoretical benefit compared to the peptides is reduced receptor desensitisation and a different tolerability profile, though whether that translates to clinically meaningful differences in nausea, vomiting and discontinuation rates is still under investigation
Joubert M, Manrique A, Cariou B, Prieur X
S-adenosylmethionine in liver health, injury, and disease: methylation and transsulfuration pathways
(2016) in the Journal of Cosmetic Dermatology tested GHK-Cu in nanocarrier formulations on facial volunteers
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