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PEG/PPG-3/10 DIMETHICONE.

Valuable / SURFACTANT - EMULSIFYING

A versatile silicone polymer, PEG/PPG-3/10 Dimethicone functions as an advanced emulsifier and surfactant, enhancing product stability and delivering exceptional sensory qualities. It forms a breathable barrier, leaving skin feeling soft, smooth, and moisturized without occlusion.

Summary

Emulsifying Emollient Skin-Conditioning Surfactant Humectant Wetting Agent Plasticizer Barrier Forming Foam Stabilizer

Science

Mechanism of Action

This ingredient operates primarily as a sophisticated oil-in-water co-emulsifier and surfactant, crucial for stabilizing complex formulations and improving overall product texture. On the skin, it imparts a noticeably lubricious, soft, and smooth feel, facilitating excellent spreadability and extending playtime during application. It effectively forms a water-resistant yet non-occlusive protective barrier, while also acting as a conditioner, plasticizer, wetting agent, humectant, and emollient to enhance skin hydration.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 Clinical evaluations using 'Dimethicone Copolyol,' an umbrella term encompassing PEG/PPG-3/10 Dimethicone, demonstrated its benign profile. Studies confirmed that solutions containing up to 40% concentration, as well as undiluted forms, were not primary skin irritants.
  2. 02 Further testing on 201 volunteers showed Dimethicone Copolyol (including PEG/PPG-3/10 Dimethicone) to be neither irritating nor sensitizing to human skin.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

Exhibits robust stability against hydrolysis, with its pH value typically considered not applicable in technical documentation.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel initially deemed 'Dimethicone Copolyol,' which includes PEG/PPG-3/10 Dimethicone, safe for use in 1982, a conclusion reiterated in 2005. However, in 2014, the CIR requested additional specific data for 111 polyoxyalkylene siloxane copolymers, including this ingredient, citing 'insufficient data' for the broader category. This request sought further details on molecular weight, impurities, dermal penetration, irritation, and sensitization for individual ingredients. The FDA regulates cosmetic ingredients broadly but does not provide individual ingredient approvals.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG/PPG-3/10 Dimethicone is a valuable multi-functional ingredient that enhances product aesthetics and stability while providing significant skin conditioning, emollience, and a protective, breathable barrier.

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