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PENTAERYTHRITYL BEHENATE/POLYHYDROXYSTEARATE.

Valuable / SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

This multifunctional ester provides comprehensive skin conditioning by enhancing moisture retention, forming a protective barrier, and improving product application. It offers both humectant and occlusive hydration, contributing to overall skin health and optimized texture.

Summary

Emollient Skin-conditioning agent Humectant Occlusive Barrier Enhancer Texture Enhancer Slip Modifier Pigment Dispersant Emulsifier

Science

Mechanism of Action

Pentaerythrityl Behenate/Polyhydroxystearate increases skin substantivity, binding moisture through its dual humectant and occlusive properties. It forms a delicate, protective film on the skin surface, reducing transepidermal water loss and shielding against environmental irritants. Furthermore, it improves cosmetic feel by modifying slip and aids in pigment dispersion and emulsion stability within formulations.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH 3 – 11
0 7 14

Stability

This ingredient (also referenced as Dipentaerythrityl Tetrabehenate/Polyhydroxystearate) demonstrates exceptional stability across a broad pH range of 3.0 to 11.0. As a 100% active, hydrophobic, and substantive component, it exhibits a notable capacity to hold up to three times its gram molecular weight in water, attributed to its high electron density ester linkages and compact configuration enabling hydrogen bonding. It functions effectively as a non-ionic water/oil emulsifier, enhancing the stability of such emulsions, and serves as a robust pigment dispersant in color formulations.

Synergies

  • Enhances water-in-oil emulsion stability
  • Improves pigment dispersion in color cosmetics

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that Pentaerythrityl Behenate/Polyhydroxystearate, along with similar pentaerythrityl tetraester compounds and its component Polyhydroxystearic Acid, is safe for use in cosmetic formulations under current practices and concentrations.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

Pentaerythrityl Behenate/Polyhydroxystearate is a valuable and well-tolerated ingredient that significantly enhances skin hydration, barrier function, and cosmetic elegance across a wide range of formulations.

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