Peptides are all over the internet, where they are promoted for everything from skin and hair health (GHK-Cu) to wound healing (BPC-157) to skin tanning (Melanotan II)
Thus, the loss of intracellular GSH in the presence of active generation of hydroperoxy-phospholipids could occur through several active mechanisms, including formation of GSH, export of GSSG, inadequate replenishment of GSH, or insufficient levels of GSSG reductase, each directly or indirectly dependent on the generation of hydroperoxy-phospholipids
Myer, C
2.1 Study design In this prospective, double-blind, cross-over interventional study, patients were randomized in balanced blocks (1:1) into two groups: Sequence 1, HA-first, received the control product (containing only hyaluronic acid 0.2%) for 4 weeks, followed by a 1-week washout, and then the experimental product (hyaluronic acid 0.2% + butyroyl glutathione 0.4%) for 4 weeks