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PEG/PPG-14/4 DIMETHICONE.

Valuable / SURFACTANT - EMULSIFYING

PEG/PPG-14/4 Dimethicone is a versatile silicone-based copolymer essential for stabilizing cosmetic formulations. It functions as an effective emulsifier, enabling the homogeneous blend of oil-in-water systems. This ingredient also provides significant conditioning benefits, forming a protective barrier and enhancing product textures for a silky, smooth skin feel.

Summary

Emulsifier Conditioning Agent Skin Protectant Surfactant Thickening Agent Gelling Agent

Science

Mechanism of Action

This ingredient is a sophisticated silicone-based copolymer, precisely engineered by combining polyethylene glycol (PEG) and polypropylene glycol (PPG) with dimethicone. Its multifaceted action on the skin includes acting as a powerful emulsifier, crucial for stabilizing oil-in-water formulations and maintaining their integrity. It also serves as a conditioning agent, improving skin suppleness and texture. Furthermore, PEG/PPG-14/4 Dimethicone functions as a skin protectant by creating a vapor-permeable barrier that helps lock in moisture, enhances product spreadability, and imparts a luxurious, non-sticky, smooth sensory experience.

Research

Clinical Evidence

High confidence
Effective range 0.3–3%
Optimal

3%

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 3 – 12
0 7 14

Stability

PEG/PPG-14/4 Dimethicone demonstrates exceptional stability across a very broad pH range, from 3 to 12. This wide tolerance allows its effective use in various formulations, including acidic environments where it can act as a thickening agent. Its high stability and compatibility with other ingredients are key advantages in product development.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
3%
Sensitization risk Low

The independent Cosmetic Ingredient Review (CIR) panel has determined PEG/PPG-14/4 Dimethicone to be safe as used in cosmetic products. While direct irritation and sensitization data for this specific compound are not extensively detailed, studies on a related Dimethicone Copolyol at concentrations up to 40% (in aqueous solution or undiluted) indicated no primary skin irritation and no sensitization among 201 volunteers. Broader claims suggesting silicones are inherently problematic or sensitizing to skin have not been supported by published scientific research.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

PEG/PPG-14/4 Dimethicone is a valuable, multifunctional silicone copolymer that significantly contributes to product stability, skin conditioning, and sensory enhancement, boasting a strong safety profile across all skin types.

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