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Hair Conditioning

DIAMMONIUM DITHIODIGLYCOLATE

CAS 68223-93-8 Updated
42

Safety score · 0–100

Moderate

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

About

An oxidised thioglycolate salt used in hair perm/relaxer neutralising steps. Harmful if swallowed (GHS H302) and an irritant; restricted to professional-use cosmetic products.

Function

HAIR WAVING OR STRAIGHTENING

Skin benefits

  • Oxidising/neutralising step in perm chemistry
  • Re-forms hair disulfide bonds
  • Specialty hair-treatment function

Known concerns

  • GHS H302: harmful if swallowed
  • EU thioglycolate-derivative restrictions for cosmetics
  • Skin and eye irritant at use levels
  • Sulfurous odour

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.