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ETHYL METHICONE.

Valuable CAS - / SKIN CONDITIONING - EMOLLIENT

Ethyl Methicone is a synthetic silicone polymer celebrated in precision skincare for its superior skin conditioning attributes. It delivers a refined, dry-feel finish while significantly boosting product spreadability for an optimal application experience. Furthermore, its unique properties enable the hydrophobization of powders, enhancing water resistance in specific formulations.

Summary

Emollient Skin Conditioning Agent Product Spread Enhancer Hydrophobization Agent

Science

Mechanism of Action

Ethyl Methicone functions primarily as an emollient and skin conditioning agent by forming a lightweight, non-occlusive film on the skin's surface. This film provides a silky, smooth texture with a characteristic dry and non-greasy feel, simultaneously increasing the lubricity and spreadability of cosmetic formulations. It also possesses the ability to render powdered ingredients water-resistant and easily dispersible, particularly useful in mineral sunscreens and makeup.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

Ethyl Methicone is a liquid silicone and is not typically associated with dusting concerns relevant to powdered ingredients. While the CIR panel noted insufficient data regarding its safety in airbrush applications due to potential inhalation, this pertains to specific application methods rather than inherent dusting properties of the raw material.

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Ethyl Methicone demonstrates stability under normal handling and storage conditions.

Conflicts

  • Oxidizing agents

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that Ethyl Methicone, along with related silicone polymers, is safe for use in cosmetic products when formulated to be non-irritating. This assessment has been reaffirmed. Significant absorption into the skin is considered unlikely due to its large molecular weight. However, data were insufficient to determine safety for use in products applied via airbrush devices due to potential incidental inhalation. Ethyl Methicone is not restricted by EU cosmetic regulations. The FDA has proposed classifying a related silicone, Dimethicone, as a Category 1 (safe and effective) skin protectant at concentrations up to 30%.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Ethyl Methicone is a valuable silicone ingredient, offering excellent skin conditioning, enhanced product spreadability, and a desirable dry-to-the-touch finish, supported by a strong safety profile for topical application.

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References

Sources