Ingredient review

Acrylates/Ethylhexyl Acrylate Crosspolymer

INCI: ACRYLATES/ETHYLHEXYL ACRYLATE CROSSPOLYMER

A safe, synthetic thickener and stabilizer that helps create a smooth, elegant texture in skincare products.

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In plain English

This ingredient is a synthetic polymer—a type of plastic-like material—that helps thicken and stabilize lotions, creams, and gels. It works by forming a network that holds water and other ingredients together, giving products a smooth, non-greasy feel. It's widely used because it's gentle on skin and helps prevent separation of oil and water phases.

Quick decision guide

Useful, but context matters

Acrylates/Ethylhexyl Acrylate 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 Acrylates/Ethylhexyl Acrylate 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

strong

There is a stronger practical or research basis for the ingredient role described here.

What it is

A crosslinked polymer made from acrylic acid and ethylhexyl acrylate monomers. It is a white, free-flowing powder that swells in water to create a gel-like consistency.

How it works

When added to water, the polymer particles absorb water and swell, forming a three-dimensional network that thickens the formula. This network also helps suspend other ingredients (like pigments or oils) and stabilizes emulsions, preventing them from separating over time.

Pros

Excellent texture enhancer

Provides a smooth, silky feel that spreads easily and absorbs quickly, making products more pleasant to use.

Strong stabilizing power

Helps keep emulsions and suspensions stable over time, so your product stays consistent from first use to last.

Cons and cautions

Synthetic origin

As a man-made polymer, it may not be suitable for those seeking 100% natural or organic formulations.

Potential tackiness at high levels

If used in very high concentrations, it can leave a slightly sticky or tacky residue on the skin.

Best for

  • Anyone looking for lightweight, non-greasy moisturizers or serums
  • People with normal to oily skin who prefer a matte finish

Use caution if

  • Those who strictly avoid synthetic ingredients in their routine

Usage tips

Look for this ingredient in lightweight gels and serums for a non-greasy finish.
It works well in combination with other thickeners like carbomer for customized textures.

Safety summary

Acrylates/Ethylhexyl Acrylate Crosspolymer is considered safe for use in cosmetics. It has a low irritation and comedogenic risk, making it suitable for most skin types. No significant safety concerns have been raised by regulatory or scientific bodies.

Research notes

This ingredient has been reviewed by the Cosmetic Ingredient Review (CIR) Expert Panel, which concluded it is safe as used in cosmetics. Studies show it does not penetrate the skin and has low acute toxicity.

Common label clues

Typical concentration
0.1% to 2%
Regulatory status
Approved for use in cosmetics in the US, EU, and many other regions. No concentration restrictions are typically imposed.
Common uses
Serums, Moisturizers, Sunscreens, Makeup
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 'gel-cream' formulas that provide hydration without heavy oils.
  • It is considered safe by major regulatory bodies including the FDA and the European Commission.

Common questions

What is Acrylates/Ethylhexyl Acrylate Crosspolymer in beauty products?

This ingredient is a synthetic polymer—a type of plastic-like material—that helps thicken and stabilize lotions, creams, and gels. It works by forming a network that holds water and other ingredients together, giving products a smooth, non-greasy feel. It's widely used because it's gentle on skin and helps prevent separation of oil and water phases.

What does Acrylates/Ethylhexyl Acrylate Crosspolymer do in a beauty product?

When added to water, the polymer particles absorb water and swell, forming a three-dimensional network that thickens the formula. This network also helps suspend other ingredients (like pigments or oils) and stabilizes emulsions, preventing them from separating over time.

Is Acrylates/Ethylhexyl Acrylate Crosspolymer safe for most people?

Acrylates/Ethylhexyl Acrylate Crosspolymer is considered safe for use in cosmetics. It has a low irritation and comedogenic risk, making it suitable for most skin types. No significant safety concerns have been raised by regulatory or scientific bodies.

Who should be careful with Acrylates/Ethylhexyl Acrylate Crosspolymer?

Those who strictly avoid synthetic ingredients in their routine

Research sources

Cosmetic Ingredient Review (CIR) Safety AssessmentOpenEuropean Commission CosIng DatabaseOpenFDA Cosmetics IngredientsOpen

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.