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POLYGLYCERYL-6 TETRAOLEATE

CAS 9007-48-1
86

Safety score · 0–100

Good

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

About

A polyglycerol ester containing approximately 6 glycerol units esterified with four oleic acid chains, functioning as a high-HLB emulsifier and surfactant with excellent skin compatibility in cosmetic emulsions.

Polyglyceryl-6 tetraoleate is a fully esterified polyglycerol (average DP 6 glycerol) with four oleic acid chains, producing a lipophilic emulsifier with an HLB value in the range of 9–11 suitable for water-in-oil emulsification. It is listed in EU CosIng without restriction entries. The polyglycerol structure makes it fully biodegradable and compatible with both acidic and alkaline cosmetic formulations. Polyglycerol tetraesters are notably more resistant to hydrolysis than corresponding triglyceride esters, providing good formulation stability. The high oleic acid content provides emollient benefits while the polyglycerol core offers water-binding and skin-conditioning properties.

Skin benefits

  • Excellent emollient properties from tetra-oleic acid esterification
  • Strong emulsification for stable cosmetic emulsions
  • Skin barrier support from fatty acid content
  • Fully biodegradable and environmentally responsible ingredient

Known concerns

  • High oleic acid content may increase skin penetration of co-formulated actives
  • Oxidative rancidity risk of unsaturated fatty acid chains requires antioxidant preservation in formulation

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.