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Hair Conditioning

AMMONIUM THIOLACTATE

CAS 13419-67-5 Updated
35

Safety score · 0–100

Caution

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

About

A thiol reducing agent used in permanent waves and hair straighteners. Strongly irritating and sensitizing in raw form; restricted to professional rinse-off applications.

Skin benefits

  • Active reducing agent in perms
  • Hair-shaping function

Known concerns

  • Strong skin and eye irritant
  • Sensitization potential
  • Sulfur thiol reducing chemistry
  • EU restrictions on perm-wave use

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.