Did you know that this tripeptide, composed of three amino acidscysteine, glutamine, and glycineexists primarily in its reduced form, glutathione (GSH)
By 8 weeks, the mean stratum corneum hydration significantly increased from 43.7 to 51.7, along with skin elasticity in the treatment group
Though these are a normal part of human metabolism, they cause significant oxidative stress over time, damaging DNA inside cells and leading to premature aging
Can I use glutathione serum daily
Each lot is tested by HPLC for purity, LC-MS for identity confirmation, and endotoxin assay for sterility readiness
Always use a broad-spectrum SPF during the daythis isn't negotiable when using any brightening products