US$ 24.63
is a acetyl glutathione better for skin whitening Tesseract SafeCell S-Acetyl Supplement, 300mg, Healthy Aging, Cellular Support, Powerful Antioxidant; Hypoallergenic, Vegan, Patented Delivery; Bioavailability; 60 Vegetarian Capsules : Health & Household Natchethione S-Acetyl Glutathione With Vitamin
Description
This post-translational modification is called S -glutathionylation

PEG is a hydrophilic, nontoxic, blood-compatible polymer that is the most widely used material for the surface modification of NPs
Glutathione may be one such supplement

Endocrinology 156 , 39613970 (2015)

Zecca, M., Basler, K

Nardo, A., Micali, G., & Drago, F