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PEG-8 METHYL ETHER DIMETHICONE.

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

This PEG-modified silicone functions primarily as an emollient and skin conditioning agent, significantly enhancing skin feel, moisturization, and product spreadability. Its unique water-soluble structure allows for seamless integration into diverse skincare formulations, offering a smooth, non-tacky finish. It is highly versatile and well-tolerated across all skin types.

Summary

Emollient Skin conditioning Hair conditioning Surfactant Emulsifying Moisturizing Texture Enhancer

Science

Mechanism of Action

PEG-8 Methyl Ether Dimethicone acts by forming a lightweight, protective barrier on the skin, which helps to minimize transepidermal water loss and enhance hydration. As a skin conditioning agent, it imparts softness and a desirable 'slip' to the skin, thereby improving overall tactile feel and product aesthetics. It can also temporarily diminish the appearance of fine lines and wrinkles by providing a subtle plumping effect. In cleansing products, its surfactant properties contribute to improved foam density, and it functions as an oil-in-water emulsifier to stabilize formulations and reduce the tackiness of other ingredients.

Research

Clinical Evidence

High confidence
Effective range 0.024–5.6%
Optimal

1%-5%

Key findings

  1. 01 Typical use levels ranging from 1% to 5% are frequently employed in formulations to enhance skin feel, detackify ingredients, and provide moisturization and slip.
  2. 02 Evidence suggests that even small concentrations of silicone polymers can significantly improve consumer perception and deliver unique textural benefits.

Transparency

Dusting Analysis

Not commonly dusted

Efficacy is observed at relatively low concentrations (typically 1-5%), indicating that the ingredient delivers functional benefits without requiring excessive amounts, thus it is not commonly 'dusted' in formulations.

The Formula

Formulation

Solubility
Water
Optimal pH 5.5 – 8.5
0 7 14

Stability

For optimal stability, this ingredient should be incorporated into the water phase of formulations and kept below 50°C (125°F). In emulsion systems, it is recommended to add it once the temperature has cooled to 50°C or below.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
5.6%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel, in a 2014 assessment, affirmed PEG-8 Methyl Ether Dimethicone's safety for cosmetic use at concentrations up to 5.6%. It is considered non-toxic, non-comedogenic, and generally non-irritating, demonstrating good skin tolerability. The base polymer, Dimethicone, is recognized by the FDA as an active ingredient in OTC skin protectant products at concentrations between 1% and 30%.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-8 Methyl Ether Dimethicone is a valuable and well-tolerated ingredient that significantly enhances skin hydration, tactile feel, and product texture across all skin types, making it a highly versatile choice for diverse formulations.

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