Stearoxymethicone/Dimethicone Copolymer

Stearoxymethicone/Dimethicone Copolymer is a silicone copolymer that forms smooth, flexible films on skin and hair. It's used to boost slip, reduce tack, and improve wear in skincare, haircare, and makeup.
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Ingredient Snapshot

Overview
A silicone that creates a silky finish and helps makeup last longer.
Category
Skin Conditioning, Tone/Texture, Barrier Support
Type
Silicone

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

It creates a silky, non-grabby finish that helps products glide and feel lightweight, and can improve makeup's staying power and reduce transfer without a heavy residue.

Uses In Skincare & Cosmetics

It's used in makeup primers, long-wear foundations, and sunscreens for a smooth laydown, and also appears in hair serums and leave-ins to boost slip and polish.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

It's usually well tolerated and non-irritating. A minority of users who feel congested with very occlusive textures may prefer lighter applications or thorough cleansing. No widely recognized regulatory limits apply for leave-on use.

Is Stearoxymethicone/Dimethicone Copolymer a Good Ingredient?

It rates Good for its smooth, flexible film that improves slip and wear, built on a typically inert, stable silicone backbone with a low irritation profile. It improves sensorials and durability without a heavy residue for most users, though it stays a purely cosmetic benefit rather than a treatment one.

Products with Stearoxymethicone/Dimethicone Copolymer

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