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Antioxidant

HYDROGEN

CAS 1333-74-0 Updated
88

Safety score · 0–100

Good

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

About

Molecular hydrogen (H2) dissolved in water for its mild antioxidant effect. At cosmetic levels it is inert and effectively as safe as water itself.

Function

ANTIOXIDANT

Skin benefits

  • Antioxidant gas dissolved in water
  • No GHS hazards at cosmetic levels
  • Inert on skin

Known concerns

  • Flammable in concentrated form (manufacturing only)
  • Cosmetic efficacy claims often exaggerated

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.