GHK-Cu is a copper tripeptide research peptide studied in gene expression, extracellular matrix, collagen, decorin, MMP/TIMP, and SOD models
Citing an advisory issued by the countrys Food and Drug Administration (FDA) in 2019, the DOH said it categorically states that there are no published clinical trials that have evaluated the use of injectable glutathione for skin lightening. The department added that there are no published guidelines for appropriate dosing regimens and duration of treatment
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Rippe M, De Backer J, Kutsche K, Mosquera LM, Schler H, Rybczynski M, Bernhardt AM, Keyser B, Hillebrand M, Mir TS, Berger J, Blankenberg S, Koschyk D, von Kodolitsch Y
GHK-Cu is the most-studied member of the broader "copper peptide" research category
A Consensus Report by the American Diabetes Association (ADA) and the European Association for the Study of Diabetes (EASD)