glutathione 98 98% (240 capsules) Glutathione Supplement 1,000mg Per Serving,

Protects from free radicals to support tissue health

Key Features: Enriched with powerful antioxidants and skin brighteners

Information from the Specialized Literature (GHK-Cu Substance) Given that Copper Tripeptide-1 is a substance that has been extensively investigated in dermatological and trichological research, independent studies published in recent years have highlighted its remarkable potential: Modulation of Growth Factors: Recent studies indicate that GHK-Cu can influence the expression of growth factors in human dermal papilla cells, which are essential for follicle vitality

Also it works on clarifying the skin from any impurities

Solubility: Water Soluble

Overall, glutathione in both forms are well tolerated