does glutathione reduce dark spots Hyperpigmentation Treatment with Glutathione Benefits for Skin: Brightening,
Description
V., Whitley, E., Lewsey, J., Gray, L

Invest 98 (4), 9961003

Mechanistically, research on GHK-Cu by Mulder et al

C.SongE.LeeM
It is a powerful skin regeneration ingredient that stimulates tissue repair, collagen production, and deep hydration
Targets pigmentation, acne marks, and sun spots 3