this can stay in your routine.
Niacinamide improves overall skin quality and radiance.
how to use it. Daily.
why it works. Enhanced barrier function reduces subclinical dehydration; improved light reflection follows.
Reviewed with 1 source on 2026-07-03.
also about dullness
Glycolic Acid (AHA) for Dullness
Glycolic acid is the strongest topical for surface dullness.
also about dullnessHyaluronic Acid for Dullness
Hydration is a first-line intervention for dullness.
also about dullnessL-Ascorbic Acid (Vitamin C) for Dullness
L-ascorbic acid is a foundational treatment for dullness and lost radiance.
also about dullnessRetinoids for Dullness
Retinoids improve dullness by accelerating cell turnover.
also about dullnessSalicylic Acid (BHA) for Dullness
Salicylic acid improves texture and radiance through gentle exfoliation.
also about niacinamideL-Ascorbic Acid (Vitamin C) with Niacinamide
L-ascorbic acid and niacinamide can be used together safely — the incompatibility myth is debunked.