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Compatibility  /  Niacinamide × Vitamin C (L-ascorbic acid)

Can you use Niacinamide with Vitamin C (L-ascorbic acid)?

CompatibleEvidence · Established

Modern formulations pair these without issue. The old 'they cancel each other out' claim is largely skincare lore, from lab conditions that don't reflect finished products.

Established: Well-supported, widely-accepted cosmetic guidance.

Niacinamide
INCI · Niacinamide

A vitamin-B3 active used for the look of even tone and a comfortable feel.

All pairings →
Vitamin C (L-ascorbic acid)
INCI · Ascorbic Acid

An antioxidant active, typically used in the morning for a brighter-looking, more even complexion.

All pairings →
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Cosmetic layering guidance for the look and feel of your routine — not medical advice. Patch-test new combinations.

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Can you use Niacinamide with Vitamin C (L-ascorbic acid)? · Vallydia