vitamin c brightening lip balm 1% adding extra nourishment for dry and chapped lips Vitamin C Brightening Lip Scrub

Glutathione when used as a supplement for skin whitening has been shown to be safe and effective in numerous clinical studies, and according to a double-blind placebo-controlled clinical trial by National Institute of Health, Glutathione treatment has been proven to significantly lower the skin melanin index of study participants after a few weeks of use

European Journal of Endocrinology , 139(5), 552561

Liposomal Glutathione is a highly absorbable form of the antioxidant glutathione, encapsulated within tiny lipid (fat) spheres called liposomes

The number is a convention circulated in research communities, likely back-derived from the ~1 mcg/kg GHRP saturation dose heuristic