Ingredient review

Acrylonitrile/Glycol Dimethacrylate Crosspolymer

INCI: ACRYLONITRILE/GLYCOL DIMETHACRYLATE CROSSPOLYMER

A synthetic thickener and stabilizer that helps create smooth, spreadable textures but offers no active skin benefits.

beautyskincaretexturizer

In plain English

This is a man-made ingredient that acts like a thickening sponge in your skincare products. It helps give gels and creams a nice, smooth consistency so they spread easily and feel pleasant on your skin. It doesn't do anything active for your skin—it's purely there for texture and stability.

Quick decision guide

Useful, but context matters

Acrylonitrile/Glycol Dimethacrylate Crosspolymer is generally a lower-concern ingredient when the full formula suits your skin.

Plain-English read

Treat this as a practical screening step before you compare products that contain this ingredient.

  1. Step 1Start with the score, then check the irritation and clogging risk before judging Acrylonitrile/Glycol Dimethacrylate Crosspolymer.
  2. Step 2Use the "Best for" and "Use caution if" sections to match the ingredient to your skin, not just to a marketing claim.
  3. Step 3If a product stings, breaks you out, or worsens irritation, judge the finished formula and stop using it even if the ingredient scores well.

Score terms in plain English

Irritation risk

low

Less likely to sting, burn, or bother most users, though sensitive skin can still react.

Clogging risk

low

Less likely to feel heavy or contribute to clogged pores for most skin types.

Evidence level

moderate

There is useful support, but formula details and claim strength still matter.

What it is

A synthetic crosspolymer made from acrylonitrile and glycol dimethacrylate monomers, processed into tiny beads that absorb and hold liquid, creating a gel-like structure.

How it works

When added to a formula, the crosspolymer particles swell as they absorb water or oil, increasing the product's viscosity (thickness). This helps suspend other ingredients, prevents separation, and gives a silky, non-greasy feel upon application.

Pros

Improves texture

Creates a smooth, silky feel that makes products easy to apply and comfortable on the skin.

Enhances stability

Helps keep ingredients evenly dispersed and prevents separation over time, so your product stays effective.

Cons and cautions

No active benefits

This ingredient does not moisturize, protect, or treat the skin—it's only a texture enhancer.

Synthetic origin

Made from petroleum-derived monomers, which may be a concern if you prefer naturally sourced ingredients.

Best for

  • Anyone who enjoys lightweight, non-greasy gel or cream textures
  • People using products that need to stay mixed (e.g., sunscreens with zinc oxide)

Use caution if

  • Those seeking only naturally derived ingredients
  • Individuals with extremely sensitive skin who prefer minimal synthetic additives

Usage tips

Look for this ingredient in gel-based moisturizers, serums, or sunscreens for a lightweight feel.
It works well in combination with other thickeners to fine-tune product consistency.

Safety summary

Acrylonitrile/Glycol Dimethacrylate Crosspolymer is considered safe for topical use in cosmetics. It has low irritation and comedogenic potential, and no significant safety concerns have been reported at typical usage levels.

Research notes

Safety assessments by the Cosmetic Ingredient Review (CIR) panel and EU CosIng support its use as a safe formulation aid. No peer-reviewed studies indicate skin or health risks at cosmetic concentrations.

Common label clues

Typical concentration
0.1% to 2%
Regulatory status
Approved for use in cosmetics by the FDA and EU CosIng database. No concentration restrictions are specified for this polymer.
Common uses
Gels, Creams, Lotions, Sunscreens
Environmental note
As a synthetic polymer, it is not biodegradable. However, it is used in very small amounts and is not known to bioaccumulate.

Good to know

  • This ingredient is often used in 'oil-free' or 'matte' formulas because it can absorb excess oil.
  • It is considered safe by major regulatory bodies when used within typical concentrations.

Common questions

What is Acrylonitrile/Glycol Dimethacrylate Crosspolymer in beauty products?

This is a man-made ingredient that acts like a thickening sponge in your skincare products. It helps give gels and creams a nice, smooth consistency so they spread easily and feel pleasant on your skin. It doesn't do anything active for your skin—it's purely there for texture and stability.

What does Acrylonitrile/Glycol Dimethacrylate Crosspolymer do in a beauty product?

When added to a formula, the crosspolymer particles swell as they absorb water or oil, increasing the product's viscosity (thickness). This helps suspend other ingredients, prevents separation, and gives a silky, non-greasy feel upon application.

Is Acrylonitrile/Glycol Dimethacrylate Crosspolymer safe for most people?

Acrylonitrile/Glycol Dimethacrylate Crosspolymer is considered safe for topical use in cosmetics. It has low irritation and comedogenic potential, and no significant safety concerns have been reported at typical usage levels.

Who should be careful with Acrylonitrile/Glycol Dimethacrylate Crosspolymer?

Those seeking only naturally derived ingredients Individuals with extremely sensitive skin who prefer minimal synthetic additives

Research sources

Cosmetic Ingredient Review (CIR) Safety AssessmentOpenEU CosIng DatabaseOpen

Ingredient reviews are educational and are not medical advice. Patch test new products and ask a licensed clinician about persistent irritation, allergies, pregnancy-specific questions, or diagnosed skin conditions.