Styrene/Butadiene Copolymer

Styrene/butadiene copolymer is a synthetic polymer made by combining styrene and butadiene into a stable chain. Makeup and skincare products use it to create flexible films, boost adhesion, and improve texture and structure.
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Ingredient Snapshot

Overview
A polymer that creates a flexible film for smoother, longer wear.
Category
Tone/Texture
Type
Film Former

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

It creates a supple film that improves grip and reduces flaking or transfer, contributing to a smoother feel and more uniform coverage.

Uses In Skincare & Cosmetics

It's used in mascaras, brow gels, and cushiony lip products for flexible hold, and found in hair gels and solid stick formats to stabilize texture and improve adherence.

Comedogenic Rating

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

Safety

It has low inherent irritation potential and suits most users. As with other polymers, avoid inhalation in aerosolized formats and remove gently from sensitive areas to prevent mechanical irritation.

Is Styrene/Butadiene Copolymer a Good Ingredient?

It rates Good as an effective flexible film former that improves hold and texture with generally low irritancy, though it adds little beyond performance.

Products with Styrene/Butadiene Copolymer

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