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Antioxidant

CALCIUM ASCORBATE

CAS 5743-27-1 Updated
85

Safety score · 0–100

Good

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

About

A buffered vitamin C salt — calcium plus ascorbate — used as an antioxidant and brightener. Gentler than pure ascorbic acid because it sits at a less acidic pH while still providing vitamin C.

Function

ANTIOXIDANTSKIN CONDITIONING

Skin benefits

  • Antioxidant — neutralizes free radicals
  • Supports collagen synthesis
  • Brightens uneven skin tone
  • Gentler than ascorbic acid (less acidic)

Known concerns

  • May oxidize on exposure to air/light
  • Mild irritation possible at high %

References

EU

EU CosIng database

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

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