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glutathione mask sheet numbuzin No.5 | Vitamin Spotlight Sheet Mask | and Vitamin C | Reduces Hyperpigmentation, Improves Skin Complexion | Gentle and non-irritating dry and toned skin Glutathione Niacinamide Sheet Mask ✨,
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[Google Scholar] Hall M, Niedzwiecki M, Liu X
This leads to: Reduced hyperpigmentation Brighter and more even skin tone Gradual skin lightening with continued use Can Glutathione Help Fade Dark Spots

If true, this would make copper peptides a direct competitor to pharmaceutical DHT blockers

If you want to learn more about that nutrients delivery form, Liposomal Vitamin C is another relevant formula to explore

Cell Cycle 11 , 21592169 (2012)

B7 regulates mitochondrial energy pathways, and B12 maintains methylation cycles