Silicone

PEG-11 Methyl Ether Dimethicone

INCI: PEG-11 METHYL ETHER DIMETHICONE

Reviewed by Daisy · Last updated 2 Jun 2026

Also known as: Peg-11 Methyl Ether Dimethicone

A silicone-based conditioning agent that smooths skin and hair whilst aiding product stability

Best For Skin Types

All, Dry, Combination, Mature

Addresses

Dryness, Hydration, Texture

Usage Frequency

Daily

What Is PEG-11 Methyl Ether Dimethicone?

PEG-11 Methyl Ether Dimethicone is a hybrid silicone polymer — a cross between a traditional dimethicone (silicone oil) and a polyethylene glycol (water-loving) component. This dual nature allows it to bridge the gap between water and oil, making it useful as an emulsifier and conditioning agent in skincare and haircare formulations.

The ingredient works primarily as a film-former and emollient, coating the skin or hair to create a smooth, soft feel. It is rarely used as a standalone active; instead, it serves a supporting role in product texture and stability.

How It Works

PEG-11 Methyl Ether Dimethicone works through its dual polarity. The dimethicone portion is lipophilic (oil-loving) and sits on the skin surface, whilst the PEG-11 methyl ether portion is hydrophilic (water-loving), allowing the molecule to interact with both phases of an emulsion. This makes it an effective emulsifying agent.

On the skin, it deposits a thin, non-occlusive film that smooths micro-irregularities and reduces moisture loss without feeling heavy. Because silicones are largely inert, they do not penetrate deeply into the skin or interact meaningfully with skin cells.

Clinical Evidence & References

Limited peer-reviewed research specifically addresses PEG-11 Methyl Ether Dimethicone in isolation. General silicone polymers have been shown to be safe, non-comedogenic, and effective at improving skin feel and hydration retention in formulations. The emulsifying properties are well-established in cosmetic chemistry.

Its role is largely formulatory rather than therapeutic. Any benefit to skin will depend on the broader formulation and accompanying active ingredients rather than this ingredient acting alone.

How to Use

This ingredient is present in trace amounts in most products, so no special application technique is required. Use as directed on the product label. If using multiple silicone-heavy products, monitor skin behaviour — although silicones are generally non-comedogenic, layering many silicone products may feel occlusive on some skin types.

Safety & Precautions

PEG-11 Methyl Ether Dimethicone is generally well-tolerated and approved for use in cosmetics across major regulatory bodies (EU, FDA, etc.). It is considered non-irritating and non-comedogenic for the vast majority of users.

Frequently Asked Questions

From the Clinic

Not sure what your skin actually needs?

Two minutes, a few questions, and we’ll point you at what matters — no guesswork.

Take the skin quiz

Learn More About Skincare Ingredients

Explore our comprehensive ingredient glossary to understand what's in your products.

Browse All Ingredients

Authorised Stockist

Official UK retailer

Tracked Delivery

Free UK shipping over £50

5 Star Rating

Trusted by thousands

Expert Advice

Free consultations