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Hair Conditioning

ETHANOLAMINE DITHIODIGLYCOLATE

Updated
35

Safety score · 0–100

Caution

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

About

An ethanolamine salt in the thioglycolate family used for hair perming/relaxing. Strong skin/eye irritant; EU Annex III restricts its concentration and labelling.

Function

REDUCING

Skin benefits

  • Used in permanent waving / hair relaxing
  • Disulfide-reducing agent

Known concerns

  • Strong skin sensitiser (thiol/disulfide chemistry)
  • Eye and skin irritation
  • Ethanolamine moiety — possible nitrosamine formation
  • EU Annex III restricted thioglycolate-class

References

EU

EU CosIng database

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

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ISOPHORONE DIAMINE SESQUIMALEATE
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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.