(3) Elastin Support Beyond boosting collagen, GHK-Cu could also promote production of elastin, decorin, and glycosaminoglycans, which are all essential for skin elasticity and integrity
The reason is partly regulatory: under UK law (specifically the Human Medicines Regulations 2012), peptides marketed for cosmetic or therapeutic use in humans require MHRA authorization, which GHK-Cu currently lacks
Depending on your individual makeup and daily habits, the benefits usually hold for anywhere from a few days to a couple of weeks
Proc Natl Acad Sci USA 85:24642468 Bannai S, Tateishi N (1986) Role of membrane transport in metabolism and function of glutathione in mammals
The fix isnt avoiding stopping, its planning the transition: a slow taper, continued strength training, and a defined nutrition plan