Polyacrylic Acid

Polyacrylic acid is a high-molecular-weight polymer of acrylic acid, often supplied as carbomer-type materials. It's used for pH-responsive thickening, suspension, and gel structure in creams, gels, and serums, giving stable, smooth textures and adjustable viscosity.
Like this ingredient?

Ingredient Snapshot

Overview
A gel-forming polymer that gives creams a smooth, cushiony texture.
Category
Tone/Texture
Type
Rheology Modifier

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Creates a stable, cushiony gel feel that improves slip without heaviness. Helps keep pigments and actives evenly dispersed for a uniform finish.

Uses In Skincare & Cosmetics

Used in clear gels, lightweight serums, and creamy moisturizers to control thickness. Also appears in gel cleansers to prevent runny textures.

Comedogenic Rating

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

Safety

Generally well tolerated; unneutralized or low-pH forms can sting or irritate, especially on compromised skin or near eyes. Properly neutralized gels pose minimal irritation for most users.

Is Polyacrylic Acid a Good Ingredient?

Rated Good as a dependable pH-responsive thickener that builds stable, smooth gels and suspends actives effectively while remaining largely inert on skin. Its versatility across cleansers, gels, and creams supports consistent textures without notable sensitization in most users.

Products with Polyacrylic Acid

Related Ingredients