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Hair Conditioning

BEHENDIMONIUM ETHYL STEARYL PHOSPHATE

CAS - Updated
60

Safety score · 0–100

Fine

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

About

A behenyl-based esterquat (phosphate ester quaternary ammonium) used in hair-care for softening and antistatic effect. Esterquats are gentler than older alkyltrimethyl quats but still carry mild aquatic and irritation caveats.

Skin benefits

  • Hair softening
  • Antistatic effect
  • Frizz reduction
  • Esterquat lower-irritation profile

Known concerns

  • Mild scalp irritation in sensitive users
  • Eye irritation potential
  • Quaternary ammonium aquatic toxicity

References

EU

EU CosIng database

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

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C10-40 ISOALKYLAMIDOPROPYLETHYLDIMONIUM ETHOSULFATE
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CETEARYL BETAINATE MESYLATE
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CETYLDIMETHYLAMINE HYDROLYZED HEMPSEEDATE
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COCO-ETHYLDIMONIUM ETHOSULFATE
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DIAMINOPYRIMIDINE OXIDE
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DIMETHYLACRYLAMIDE/ETHYLTRIMONIUM CHLORIDE METHACRYLATE COPOLYMER
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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.