Pickart, Journal Of Biomaterial Sciences Legal Status of GHK-Cu Peptide GHK-Cu is classified as a cosmetic ingredient when included in topical formulations such as serums, creams, and scalp solutions
Substantial human trial data for full-length TB-4 (corneal-healing Phase 2/3 as RGN-259, plus cardiac and wound-repair programs), with clean Phase 1 safety. Cosmetic dosing is extrapolated from these programs
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Cycle between abdomen, thighs, and glutes
In addition, it can be converted to its extremely toxic metabolite NAPQI by the cytochrome P450 (CYP)2E1 enzyme
Hyaluronic acid delivers rich moisture deep into the skin and helps reduce the appearance of fine lines, wrinkles and smooth complexion.