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Skin Conditioning

NIACIN

CAS 59-67-6
70

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

Niacin (vitamin B3, free acid form) — the parent of niacinamide. Skin-beneficial but the free-acid form causes flushing/redness, so cosmetics usually prefer niacinamide.

Function

ANTISTATICSMOOTHING

Skin benefits

  • Vitamin B3
  • Antioxidant
  • Brightens skin tone
  • Barrier support

Known concerns

  • Skin flushing/redness
  • Histamine-mediated sensitivity
  • Less stable than niacinamide

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

PC

PubChem

U.S. NIH compound data, GHS hazard codes and toxicity literature.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.