Consider the clinical reason for using it, ingredient identity, dose, manufacturing quality, stability, storage, tolerance, cost and whether the product is producing a meaningful benefit
In a retrospective study done by Yao et al
Inhibits melanin formation:Glutathione is also a tyrosinase inhibitor, which reduces the amount of melanin produced by tyrosinase in cells due to sun exposure, thus exerting a whitening effect
Gynecol Oncol 136(3):542-8, 2015
Loops Double Take Face Mask 63% match with the ingredients and function of Some By Mi Real Care Mask Dupe Explained These products are both sheet masks that contain Vitamin E
According to one scientific theory, L-carnitine may block the enzyme acidic sphingomyelinase , which prevents sphingomyelin breakdown in cells [53]