In an advisory dated July 5, the FDA said it has yet to approve any injectable products for skin lightening and that FDA Philippines had approved injectable glutathione only as an adjunct treatment in cisplatin chemotherapy. To date, there are no published clinical trials that have evaluated the use of injectable glutathione for skin lightening
Loren Pickart, and it can naturally be found in human saliva, plasma, and urine.12 (The GHK in skin care products is synthetic.) Experts originally believed GHK was a liver cell growth factor, but as research advanced, they learned that the peptide could alter far more cells than just those in the liver
The steepest growth curve is observed in functional foods, attributed to evolving consumer preferences towards health-centric products, successful marketing strategies, and continual innovation in formulations that meet dietary needs
Wang Y, Fu L, Cui M, Wang Y, Xu Y, Li M, et al