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ISOPOLYGLYCERYL-3 DIMETHICONE.

Valuable CAS - / CLEANSING, HAIR CONDITIONING, HUMECTANT, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING, VISCOSITY CONTROLLING

ISOPOLYGLYCERYL-3 DIMETHICONE is a sophisticated silicone-based ingredient operating as an emulsifier and conditioning agent. It meticulously refines product texture, facilitating effortless application while imparting a smooth, luxurious skin feel and offering vital protective benefits.

Summary

Emollient Emulsifying Skin-Conditioning Hair-Conditioning Barrier Formation Texture Enhancer Spreadability Enhancer

Science

Mechanism of Action

This unique hybrid molecule, composed of polyglyceryl and dimethicone elements, forms a lightweight, breathable film upon the skin's surface. This barrier effectively reduces transepidermal water loss (TEWL), thereby enhancing skin hydration and shielding against environmental stressors like pollution and temperature fluctuations. Beyond its moisturizing capabilities, it smooths the skin, temporarily diminishing the appearance of fine lines and wrinkles for a visibly plumper look. Its structure also optimizes product spreadability by minimizing friction and can improve the absorption and efficacy of other active ingredients. Notably, it functions as an efficient branched silicone emulsifier, highly effective in forming stable water-in-silicone (W/Si) emulsions.

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

Synthetically produced for consistent performance, ISOPOLYGLYCERYL-3 DIMETHICONE effectively stabilizes emulsions, particularly water-in-silicone (W/Si) systems. It maintains excellent compatibility with other silicones and, through its unique silicone dendrimer technology with alkyl functionality, enhances integration with a wide spectrum of organic and mineral oils. This ingredient is also valued for being PEG-free. While specific pH stability for this exact ingredient is not detailed, related dimethicone copolyols typically exhibit stability in pH ranges from 5.5 to 8.5.

Synergies

  • Enhances compatibility with various oils (silicone, organic, mineral)
  • Improves absorption and efficacy of other active substances

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that dimethicone, methicone, and substituted-methicone polymers, including dimethicone crosspolymers, are safe for use in cosmetic products under current practices. Due to their large molecular weights, significant skin absorption is considered unlikely. Dimethicone itself is also an FDA-approved skin protectant. While a specific maximum concentration for ISOPOLYGLYCERYL-3 DIMETHICONE is not established, general dimethicone can be incorporated at concentrations up to 85% in dermal contact products. Dimethicone crosspolymers have been deemed safe at concentrations potentially up to 25% when serving as binders or film formers, and as low as 0.5% for emulsion stabilization.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

ISOPOLYGLYCERYL-3 DIMETHICONE is a valuable multi-functional ingredient that significantly enhances product texture, improves spreadability, and provides effective conditioning and barrier protection across a broad spectrum of skincare and cosmetic formulations.

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