what does glutathione soap do 2% with Niacinamide & Vitamin C – Pack of 5] GLUTATHIONE SOAP

In fact, Ascorbic Acid (Vitamin C) is often included alongside Glutathione specifically because it helps support and regenerate glutathione's antioxidant activity in the body, making the combination a popular and well-established pairing in skin-brightening supplements like L Glutathione Tranexamic Acid Ascorbic Acid

Beck JD, Andreeff M , Haghbin M, Miller D, Steinherz P, Good RA, Gupta S

Postharvest ethanol vapor treatment of tomato fruit stimulates gene expression of ethylene biosynthetic enzymes and ripening related transcription factors, although it suppresses ripening

Similarly, GSH and glutathione reductase (GR) levels were also increased when tomato (Lycopersicon esculentum) plants are exposed to arsenite in which the activity of GR is essential for recharging the cells of GSH and the time of increased synthesis of PCs (Marmiroli et al., 2014)