The Glutathione Derivative, GSH Monoethyl Ester, May Effectively Whiten Skin but GSH Does Not Figure 1 from GLUTATHIONE AS A WHITENING AGENT IN THE TREATMENT OF MELANOSIS ON FACE Semantic Scholar Glutathione: Glutathione not only decreases the melanin (pigmentation) in your skin, but has also been found to decrease wrinkles and increase skin elasticity. Glutathione works on the skin pigment production by inhibiting The Glutathione Derivative, GSH Monoethyl Ester, May Effectively Whiten Skin but GSH Does Not