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PEG-5 STEARYL AMMONIUM LACTATE

75

Safety score · 0–100

Fine

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

About

A conditioning agent that combines lactic acid derivatives with a quaternary ammonium structure to moisturize and soften skin and hair.

PEG-5 stearyl ammonium lactate combines a PEG-5 chain with a stearyl ammonium moiety and lactate (from lactic acid). It functions as both a conditioning agent and humectant. Lactic acid is regulated in the EU via Annex III as a non-restricted ingredient. PEG-containing quats require assessment for residual ethylene oxide (a concern for carcinogenicity); no specific EU restriction applies to this compound but typical cosmetic caution limits apply.

Skin benefits

  • Provides deep moisturization
  • Softens and conditions skin and hair
  • Improves skin barrier function

Known concerns

  • Potential for 1,4-dioxane contamination from PEG
  • Lactic acid can cause irritation at very high concentrations

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.