L-Ascorbic Acid (Vitamin C) for Melasma

L-ascorbic acid is a useful adjunct for melasma but rarely sufficient alone.

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go slower than usual.

L-ascorbic acid is a useful adjunct for melasma but rarely sufficient alone.

how to use it. Pair with azelaic acid, tranexamic acid, and strict mineral SPF.

why it works. Modest tyrosinase inhibition; primary role is antioxidant defense against UV/visible-light triggers.

Reviewed with 1 source on 2026-07-03.

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