Some nations classify injectable glutathione as a prescription-only medication regardless of origin-country status
Also, consider that starting with a topical would be a sensible safety measure if youre concerned about the copper uglies or some other intolerance to GHK-Cu
Drug Metab Lett 3:130136 Sun J, Ando Y, Ahlbory-Dieker D, Schnackenberg LK, Yang X, Greenhaw J, Pence L, Qian F, Salminen W, Mendrick W, Beger RD (2013) Systems biology investigation of acetaminophen-induced hepatotoxicity using integrated transcriptomics and metabolomics
If the committee recommends addition to the 503A bulks list, formal rulemaking follows
Preventing new hair growth: Once hair follicles have been significantly affected by DHT, they may no longer be able to produce new hair