Glutathione, a tripeptide found in virtually all cells, functions as a reducing agent. The structure of glutathione is: What amino acids make up glutathione? Homework.Study.com Glutathione, a tripeptide found in virtually all cells, functions as a reducing agent. The structure of glutathione is: What amino acids make up glutathione? Homework.Study.com Glutathione as a skinlightening agent and in melasma: a systematic review Sarkar 2025 International Journal of Dermatology Wiley Online Library True or False? Glutathione isn't just a skin brightening agent, its power goes far beyond. From promoting healthy skin to reducing melanin production, this antioxidant hero works deep to Glutathione an overview ScienceDirect Topics