IV therapy is also more effective than taking glutathione pills and results are faster
Injectable glutathione is administered intravenously, meaning that the supplement is injected straight into the bloodstream
10.1210/en.2006-0088 51 EisenbergT.KnauerH.SchauerA.BttnerS.RuckenstuhlC.Carmona-GutierrezD.et al (2009)
On the other hand glutathione with niosome is safe, inexpensive and effective whitening agent in the treatment of melasma with a very good result
Copper deficiency presents with anemia, leukopenia, muscle weakness, fatigue, altered pigmentation of both skin and hair, impaired immune function, alterations in bone and blood vessel/connective tissue, alterations in cholesterol metabolism, and cognitive deficits
Mechanistic and fibroblast data are robust, but large independent randomized trials comparing GHK-Cu head-to-head with tretinoin are lacking