These 9 Vitamin C Serums Are Total Holy Grails, According to Derms

In addition to brightening, this serum is great for firming up your complexion, according to Dr. Tanya Kormeili, MD. "This serum works overtime to promote the regeneration and production of collagen and elastin," she tells TotalBeauty. "It is also formulated with a regenerative nutrient blend including, vitamin C 12 percent, propylene glycol, and L-ascorbic acid, which offers vital daytime support and protection."

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