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Skin Conditioning

OXOTHIAZOLIDINE

CAS 2682-49-7
68

Safety score · 0–100

Fine

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

A sulfur-containing small molecule used as a precursor to cysteine and glutathione in skin. Modest safety record at low cosmetic levels.

Skin benefits

  • Cysteine prodrug — supports glutathione
  • Antioxidant signalling
  • Skin-conditioning

Known concerns

  • Limited cosmetic safety database
  • Sulfur compound — possible odor
  • Sparse human dermal data

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, so always read the physical product label and consult a healthcare professional for personal concerns.