Silicone

PEG-10 Dimethicone Crosspolymer

INCI: PEG-10 DIMETHICONE CROSSPOLYMER

Reviewed by Kate · Last updated 2 Jun 2026

Also known as: Peg-10 Dimethicone Crosspolymer

A silicone polymer that stabilises texture and controls viscosity in skincare formulations

Best For Skin Types

All

Usage Frequency

Daily

What Is PEG-10 Dimethicone Crosspolymer?

PEG-10 Dimethicone Crosspolymer is a synthetic silicone-based polymer derived from dimethicone (a silicone oil) cross-linked with polyethylene glycol components. It belongs to a class of ingredients commonly used in cosmetic formulation to improve product stability and texture consistency.

In skincare products, this ingredient functions as a stabiliser and viscosity controller, helping to maintain a uniform texture and prevent separation of product components over time. It is not absorbed deeply into skin but rather remains on the surface as part of the product's delivery system.

How It Works

PEG-10 Dimethicone Crosspolymer works as a formulation aid rather than a direct skin-acting ingredient. Its cross-linked polymer structure allows it to thicken products and suspend particles evenly throughout the formula, preventing settling or phase separation that can occur with time or temperature changes.

The ingredient sits on the skin surface as part of the product matrix, helping to ensure that other active ingredients remain evenly distributed for consistent efficacy with each application.

Clinical Evidence & References

Research specifically evaluating PEG-10 Dimethicone Crosspolymer's independent effect on skin is limited. The ingredient is primarily studied as a formulation component rather than an active agent, and most evidence exists in technical and cosmetic chemistry literature rather than clinical dermatology studies.

Its safety profile in cosmetic use is well-established through decades of industry use, though benefits attributed to skincare products containing this ingredient are typically driven by other active components rather than the polymer itself.

How to Use

This ingredient requires no special usage instructions as it functions within the product formula rather than as a standalone treatment. Use the product according to the manufacturer's guidance. If a product containing this ingredient separates or becomes grainy over time, it may indicate formulation degradation, though PEG-10 Dimethicone Crosspolymer's role is to prevent this occurrence.

Safety & Precautions

PEG-10 Dimethicone Crosspolymer is considered safe for use in cosmetics and well-tolerated across skin types. No significant safety concerns or contraindications are established for topical use in skincare products.

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