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Hair Conditioning

CYSTEAMINE THIOGLYCOLATE

CAS 2368928-49-6 Updated
30

Safety score · 0–100

Caution

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

About

Salt of cysteamine and thioglycolic acid — a strong reducing agent used in hair waving and depilation. EU-restricted for concentration and pH; significantly irritating.

Function

HAIR WAVING OR STRAIGHTENING

Skin benefits

  • Reducing agent for hair waving/depilation
  • Used in pigmentation reducers

Known concerns

  • Strong odor and skin irritation potential
  • Thioglycolates are EU-regulated with concentration and pH limits
  • Sensitization potential
  • Cysteamine carries its own irritation profile

References

EU

EU CosIng database

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

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Thioglycolic acid esters
Hair Conditioning

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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.