glutathione helps in skin whitening Benefits for Skin: Brightening, Anti-Aging, and More Glutathione Whitening Pills - 120

Available from: (accessed 14 February, 2019) 17.Cazzola M., Calzetta L., Page C., Rogliani P., Matera M.G

Uses liposomal technology for enhanced bioavailability and protection of nutrients against the gastrointestinal tract

Topical glutathione in the form of lotion is not efficiently absorbed by the skin cells as the thiol group undergoes rapid formation of disulfide.[] Also, apart from the poor permeability and absorption, foul odor limits its use

This is the same mechanism targeted by topical brightening agents, delivered systemically instead, and the effect is best understood as a gradual, cumulative brightening support across a series rather than an overnight change