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PEG-3 DIOLEOYLAMIDOETHYLMONIUM METHOSULFATE
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A PEGylated quaternary ammonium hair-conditioning agent similar to its stearoyl counterpart, effective for softness and antistatic performance in rinse-off products.
PEG-3 Dioleoylamidoethylmonium Methosulfate is structurally analogous to the stearoyl version (PEG-3 Distearoylamidoethylmonium Methosulfate), differing only in the fatty acid chain (oleoyl vs. stearoyl). The unsaturated oleoyl chain imparts slightly different emolliency and lipid deposition properties. The PEG-3 ethylene oxide units and quaternary ammonium functionality are consistent with standard conditioning agent safety profiles. It is not subject to specific EU restrictions, though the ingredient has limited environmental biodegradability typical of quaternary ammonium compounds.
Skin benefits
- Conditions and softens hair
- Provides antistatic properties
- Oleoyl chain may contribute lipid replenishment
Known concerns
- Environmental toxicity in aquatic systems with prolonged exposure
- Typical quaternary ammonium compound concerns for marine environments
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related others
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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.