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Emollient

CHOLESTERYL BUTYRATE/NONANOATE

CAS 521-13-1/ 1182-66-7 Updated
82

Safety score · 0–100

Good

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

About

A pair of cholesterol esters (with butyric and nonanoic acids) used as emollient and skin-conditioning agents. Cholesterol is a native skin lipid; class is well tolerated topically.

Function

SKIN CONDITIONING - EMOLLIENTHUMECTANTSKIN CONDITIONING - HUMECTANTSKIN CONDITIONING - OCCLUSIVE

Skin benefits

  • Cholesterol-derived skin barrier support
  • Multifunctional emollient
  • Compatible with skin lipid matrix
  • Smooth non-greasy feel

Known concerns

  • Animal-derived (typically lanolin/wool) sourcing
  • Limited dedicated INCI safety publications
  • Possible odour from impure feedstocks

References

EU

EU CosIng database

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

Related emollients

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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.