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POLYGLYCERYL-5 POLYRICINOLEATE.

Valuable CAS 29894-35-7 (generic) / SURFACTANT - EMULSIFYING

Polyglyceryl-5 Polyricinoleate is a versatile water-in-oil emulsifier and skin conditioning agent. It skillfully combines dissimilar phases like oil and water, enhancing product stability, texture, and sensory experience for smoother application and better absorption.

Summary

Emulsifying Surfactant Skin Conditioning Stabilizer Thickener Anticaking

Science

Mechanism of Action

This ingredient operates as a sophisticated surfactant, possessing both lipophilic and hydrophilic molecular segments. This dual nature allows it to significantly reduce interfacial tension, enabling the stable emulsification of immiscible substances like oil and water, specifically forming water-in-oil emulsions. Beyond its emulsifying prowess, it functions as a skin conditioner, enhancing the feel and spreadability of formulations. It can also contribute to the gradual release of active ingredients, potentially extending their benefits, and acts as a stabilizer, thickener, and anticaking agent, refining overall product viscosity and consistency.

Research

Clinical Evidence

Low confidence
Effective range 0.1–3%
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH 3 – 9
0 7 14

Stability

Polyglyceryl-5 Polyricinoleate exhibits robust thermal stability under neutral conditions, generally maintaining integrity below 100 °C. Long-term stability tests on similar polyglycerol polyricinoleate (PGPR) at 15°C demonstrated no significant degradation over 32 months, suggesting excellent shelf-life potential. It shows stability across a pH range of 3 to 9.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
3%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has deemed the broader category of polyglyceryl fatty acid esters, which includes Polyglyceryl-5 Polyricinoleate, safe for cosmetic use at current concentrations, provided formulations are non-irritating. It is permitted in cosmetic products within the EU. While specific maximum concentrations for Polyglyceryl-5 Polyricinoleate are not explicitly defined, a chemically similar ester, Polyglyceryl-3 Polyricinoleate, is typically employed at concentrations ranging from 0.1% to 3.0% in cosmetic applications.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
No Oily
Yes Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

Polyglyceryl-5 Polyricinoleate is a valuable ingredient for formulating stable water-in-oil emulsions and improving the texture and sensory elegance of a wide range of skincare products.

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