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Emollient ester

DIETHYL MALATE

CAS 7554-12-3
75

Safety score · 0–100

Fine

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

Diethyl Malate is a lightweight ester used as an emollient and co-solvent in skincare and fragrance bases. Small diester emollients are generally well tolerated, with limited ingredient-specific safety data.

Skin benefits

  • Diethyl ester of malic acid used as a low-viscosity emollient and solvent in cosmetic formulations
  • Improves spreading and feel of oil-phase ingredients while remaining non-occlusive
  • Acts as a co-solvent for fragrance and lipophilic actives

Known concerns

  • Limited specific cosmetic dossier compared with diethyl tartrate or diethyl succinate analogs
  • Mild ester hydrolysis products are well tolerated but local irritation possible at high neat concentrations

References

EU

EU CosIng database

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

Related emollient esters

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.