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HYDROXYETHYL ISOSTEARYLOXY ISOPROPANOLAMINE

CAS 158314-47-7
52

Safety score · 0–100

Moderate

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

About

Hydroxyethyl Isostearyloxy Isopropanolamine is a cosmetic ingredient used in product formulations. Note: subject to regulatory restrictions in some markets. Exercise caution due to limited available safety data.

This isostearyl-derived amino alcohol is listed in EU Annex III/61 of Cosmetics Regulation 1223/2009, indicating restricted use in hair dye applications. The compound functions as a hair colouring intermediate (conditioning agent and coupler) in oxidative hair dye formulations. Its molecular weight and lipophilicity (from the isostearyl group) influence penetration and potential for skin sensitisation. The structural features raise concern for skin sensitisation, and concentration limits from the Annex restriction apply to finished products.

Known concerns

  • EU Annex III/61 restricted — hair dye use only
  • Skin sensitisation potential from aromatic amine structure
  • Concentration limits apply

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.