Pure Reduced L-Glutathione Powder | Cosmetic Raw Material

Pure Reduced L-Glutathione Powder (GSH). A tripeptide antioxidant naturally present in the human body, composed of glutamine, cysteine, and glycine. Used in cosmetic formulations for its antioxidant properties and role in inhibiting melanin synthesis.

• INCI: Glutathione Reduced
• CAS: 70-18-8
• Appearance: White powder
• Usage rate: 0.5–2%
• Solubility: Water soluble
• Shelf life: 24 months (store in a cool, dry place)

Key Cosmetic Functions

• Antioxidant — neutralizes free radicals in formulations
• Tyrosinase inhibition — reduces melanin synthesis
• Reduces appearance of dark spots and uneven skin tone
• Supports skin detoxification in topical formulations

Common Cosmetic Uses

• Brightening serums and creams
• Antioxidant-rich moisturizers
• Spot treatment formulations
• Face masks

Formulation Notes

Add to the water phase at 0.5–2%. Use in conjunction with vitamin C or other antioxidants for enhanced stability.