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LAURYL POLYGLYCERYL-3 POLYDIMETHYLSILOXYETHYL DIMETHICONE.

Valuable CAS - / HAIR CONDITIONING, SKIN CONDITIONING, SURFACTANT - CLEANSING

Lauryl Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone is a versatile silicone-based polymer that functions primarily as an emulsifier and skin conditioning agent. It expertly blends water and oil phases in cosmetic formulations, while also creating a lightweight, protective barrier on the skin to lock in moisture and defend against environmental stressors.

Summary

Emollient Emulsifying Skin-Conditioning Agent Surfactant

Science

Mechanism of Action

This ingredient operates by forming an invisible, non-occlusive film on the skin's surface, effectively reducing transepidermal water loss and offering protection from external elements like wind and dry air, thereby supporting the skin's hydration and natural moisture equilibrium. Its amphiphilic nature, with both oil-loving and water-loving components, allows it to efficiently emulsify immiscible liquids and act as a surfactant to cleanse by binding to impurities for easy rinsing. Furthermore, it enhances the spreadability of products and their active ingredients, contributing a desirable soft and silky texture to formulations.

Research

Clinical Evidence

Insufficient-data 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

The ingredient demonstrates inherent stability. While no specific optimal pH range for this exact compound is reported, related dimethicone polymers exhibit stability within a pH range of 5.5 to 8.5.

Conflicts

  • Peptides (potential conflict with related Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone)
  • Glycolic acid (potential conflict with related Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone)

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has deemed Lauryl Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone, along with similar dimethicone polymers, safe for use in cosmetic products. This assessment is largely based on its substantial molecular weight, which significantly minimizes skin absorption. The US FDA also recognizes related dimethicone by-products as safe skin protectants at lower concentrations. Although a specific maximum concentration for this exact ingredient is not provided, comparable dimethicone-based conditioning agents are safely utilized at concentrations up to 15%, with a similar ingredient (Lauryl PEG-9 polydimethylsiloxyethyl dimethicone) reviewed in products at 0.2-6%.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

This multi-functional silicone derivative is a valuable component for formulations, offering excellent emulsifying and conditioning properties while providing skin protection and enhancing product aesthetics with a low risk of irritation or comedogenicity.

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