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PEG/PPG-20/6 DIMETHICONE.

Valuable CAS - / SURFACTANT - EMULSIFYING

PEG/PPG-20/6 Dimethicone is a versatile silicone-based polymer engineered to enhance cosmetic formulations. It effectively stabilizes both oil-in-water and water-in-oil emulsions, while simultaneously acting as a conditioning agent to impart a smooth, silky skin feel. This ingredient also contributes to improved product spreadability and sensory properties.

Summary

emulsifying conditioning dispersing solubilizing lubricating film-forming anti-foaming

Science

Mechanism of Action

This ingredient functions by reducing the interfacial tension between immiscible phases, owing to its balanced hydrophilic and oleophilic properties, thereby stabilizing emulsions. As a dimethicone derivative, it creates a subtle film that enhances skin texture, delivering a silky sensation. Beyond its emulsifying and conditioning roles, it exhibits multifunctionality, serving as a dispersant, solubilizer, lubricant, film-forming agent, and anti-foaming agent.

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 4 – 7
0 7 14

Stability

For optimal skin compatibility and emulsion stability, formulations containing PEG/PPG-20/6 Dimethicone are best adjusted to a pH range of 4.0 to 7.0, with a more desirable range typically between 4.5 and 6.5. The ingredient's solubility in water and alcohols, as well as its foaming potential, increases with the number and length of its hydrophilic alkoxy (PEG) groups.

Conflicts

  • May not perform adequately as a sole emulsifier or when combined with similar non-ionic surfactants in certain complex emulsion formulations requiring robust, long-lasting film formation, such as dimethicone and clay emulsions.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that 'Dimethicone Copolyol,' a broader category that includes PEG/PPG-20/6 Dimethicone, is 'safe as used' in cosmetics. Studies on this class have indicated a low potential for skin irritation and sensitization. While no specific maximum concentration for PEG/PPG-20/6 Dimethicone has been explicitly set, its 'safe as used' classification implies safety at typical usage levels in cosmetic products.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG/PPG-20/6 Dimethicone is a valuable, multi-functional ingredient, crucial for developing stable, aesthetically pleasing formulations suitable for all skin types, with a low risk of irritation or comedogenicity.

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