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Antioxidant

ASCORBIC ACID

CAS 50-81-7 / 62624-30-0
88

Safety score · 0–100

Good

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

Pure vitamin C — a gold-standard antioxidant that brightens skin and supports collagen. Excellent safety record; only practical issues are stability and mild low-pH stinging.

Function

ANTIOXIDANTBUFFERINGFRAGRANCESKIN CONDITIONING

Skin benefits

  • Powerful antioxidant
  • Brightens skin and fades hyperpigmentation
  • Boosts collagen synthesis

Known concerns

  • Unstable in water; oxidizes to off-color
  • Can sting at low pH (<3.5)
  • Mild irritation in sensitive users

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.