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PEG/PPG-20/15 DIMETHICONE.

Valuable / SURFACTANT - EMULSIFYING

PEG/PPG-20/15 Dimethicone is a sophisticated silicone derivative that functions dually as an effective emulsifier and a skin conditioning agent. This ingredient enhances the sensory experience of formulations by imparting a smooth feel while contributing to product stability and compatibility. It is well-regarded for its wide skin compatibility and low potential for irritation.

Summary

Emulsifying Surfactant/cleansing Conditioning Light Moisturizing Film-forming

Science

Mechanism of Action

This ingredient is an alkoxylated dimethicone, ingeniously combining a dimethicone segment with a polyether (PEG/PPG) portion. The dimethicone component creates a vapor-permeable, protective film on the skin, delivering a silky-smooth tactile sensation and conditioning benefits without occluding pores. Simultaneously, its polyether structure provides potent emulsification capabilities, crucial for stably blending immiscible phases in cosmetic formulations, and significantly improves the ingredient's solubility and compatibility within diverse systems. It also serves as a mild moisturizing agent.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

PEG/PPG-20/15 Dimethicone primarily functions as a formulation stabilizer and sensory enhancer rather than a high-concentration active. Therefore, it is not an ingredient typically 'dusted' by consumers in pursuit of exaggerated effects.

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

The ingredient demonstrates general stability across formulations. Its polyether segment optimizes solubility and compatibility, enabling its successful integration into cold-process manufacturing, which can reduce energy consumption and preserve heat-sensitive components.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) panel has affirmed PEG/PPG-20/15 Dimethicone as safe for use at current levels in cosmetic products. While the broader category of PEG compounds sometimes raises concerns about potential impurities like 1,4-dioxane and ethylene oxide, the focus remains on using purified grades. Formulations containing this ingredient are unlikely to induce skin allergies and are associated with minimal irritation even during prolonged exposure.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG/PPG-20/15 Dimethicone is a valuable ingredient, expertly providing both critical emulsification and desirable conditioning properties, while offering broad compatibility and a low risk profile for irritation and comedogenicity.

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