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ingredient
Vitamin C
Antioxidant that brightens, evens tone, and protects against UV damage.
Evidence: strong
Vitamin C (L-ascorbic acid) is a potent antioxidant that neutralizes free radicals, inhibits melanin production, and is essential for collagen synthesis.
Overview
L-ascorbic acid (15-20%) is the most effective form. Use in AM under SPF.