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SODIUM OXIDE

CAS 1313-59-3 Updated
8

Safety score · 0–100

Avoid

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

About

An inorganic strong base used in glass and ceramics. Reacts with water to form caustic sodium hydroxide — corrosive to skin and eyes, not suitable for cosmetic finished products.

Function

BUFFERING

Skin benefits

  • Industrial flux/glass agent — no cosmetic role

Known concerns

  • Strong base — reacts with water to form sodium hydroxide
  • Severe skin and eye corrosion
  • Not appropriate for finished cosmetic skin contact

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.