Analysis Method Result Acceptable Range Pass/Fail Benzyl Alcohol Content HPLC-UV/VIS 0.88% 0.72% 1.08% Pass pH AOAC 981.12 5.85 4.0 7.0 Pass
Conclusion: Glutathione is safe, tolerable and effective whitening agent when used in topical cream (2%) and also in oral form in treatment of melasma.
Composed of 15 amino acids, this pentadecapeptide has been shown in research to stimulate angiogenesis, collagen formation, and tissue remodeling.- It may interact with nitric oxide pathways, growth factor expression, and inflammatory cascades to support endothelial function and cellular recovery.- Suggested mechanisms include upregulation of VEGF, engagement with FAK-paxillin signaling, and protective effects under oxidative stress conditions
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Abstract This protocol describes a procedure for determining glutathione (GSH) and glutathione disulfide (GSSG) concentrations in blood and other tissues