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POLYGLYCERYL-3 DI-HYDROXYSTEARATE.

Valuable CAS - / SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

Polyglyceryl-3 Di-Hydroxystearate is a multi-functional cosmetic ingredient that primarily acts as an emulsifier to stabilize formulations by blending oil and water. It also delivers emollient benefits, improving skin hydration and texture, and functions as a surfactant to enhance product spreadability.

Summary

Emulsifying Emollient Surfactant Viscosity Control

Science

Mechanism of Action

This polyglyceryl ester effectively stabilizes emulsions, particularly water-in-oil systems, by significantly reducing interfacial tension between immiscible phases. When applied to the skin, it forms a soft, protective barrier that minimizes transepidermal water loss, thereby enhancing hydration and smoothing the skin's surface. Its surfactant properties further aid in optimal product dispersion, contributing to an elegant skin feel and improving formulation viscosity.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

Polyglyceryl-3 Di-Hydroxystearate demonstrates excellent stability across a wide pH range, maintaining its emulsifying efficacy in both acidic and alkaline environments. It is adaptable to both hot and cold processing techniques, allowing for versatile formulation design, even with temperature-sensitive ingredients.

Conflicts

  • Retinol
  • Salicylic Acid
  • Glycolic Acid

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has assessed Polyglyceryl-3 Di-Hydroxystearate as safe for use in cosmetics. It is generally regarded as mild and non-irritating, adhering to regulatory standards in major markets including the US, EU, Japan, and China.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Polyglyceryl-3 Di-Hydroxystearate is a valuable polyfunctional ingredient, stabilizing emulsions effectively while simultaneously enhancing skin hydration and delivering a smooth texture, especially beneficial for dry and sensitive skin.

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