glutathione now skin whitening Brightener Cream 2 fl oz by Now Glutathione Skin Brightener Cream,
Description
it also lowered ROS levels by stimulating the Nrf2/HO-1 axis and maintained epithelial barrier stability by upregulating E-cadherin and Occludin

15 units = 375 mcg each
PMID 33328986

J Affect Disord 103:131138