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References 1.Choi S., Cha Y

Topical vitamin C, on the other hand, can help improve skin tone, soften the appearance of lines, renew collagen production, and treat hyperpigmentation though definitive studies are limited, and stable versions of even reliable vitamin C derivatives are elusive
(2020) 15:e0228486

M., Robert, C

doi: 10.1194/jlr.D004077

doi: 10.1126/science.281.5374.260