Acrylates/Aminoacrylates/C10-30 Alkyl Peg-20 Itaconate Copolymer: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: June 23, 2025
Share:
Inside this article:

All information on this page is verified using publicly available nomenclature standards and reference materials from The Personal Care Products Council (PCPC) and the European Commission's CosIng database. Our analyses are based on technical data from these sources to ensure accuracy and reliability.

What Is Acrylates/Aminoacrylates/C10-30 Alkyl Peg-20 Itaconate Copolymer?

Acrylates/Aminoacrylates/C10-30 Alkyl Peg-20 Itaconate Copolymer is a man-made polymer created by linking together several different building blocks: C10-30 alkyl PEG-20 methylenesuccinate, small amino-rich acrylate units, and acrylic or methacrylic acid derivatives. When these monomers are chemically reacted they form a long, flexible chain that behaves like a gentle scaffolding inside cosmetic formulas. The ingredient was introduced in the late 1990s as chemists searched for next-generation thickeners that could keep water and oil phases from separating while remaining light on the skin. Production starts with plant- or petroleum-derived alcohols that are turned into acrylate esters, blended with itaconic acid sourced from sugar fermentation, then polymerized in controlled reactors. The finished powder or aqueous dispersion is easily incorporated during the cool-down stage of manufacturing.

You will most often spot this copolymer in lotions, moisturizers, sunscreens, hair conditioners, styling creams, sheet-mask serums, and lightweight anti-aging gels where a smooth, stable, non-greasy texture is key.

Acrylates/Aminoacrylates/C10-30 Alkyl Peg-20 Itaconate Copolymer’s Cosmetic Benefits/Uses

This ingredient serves one main purpose: it stabilizes emulsions. By sitting at the boundary between water and oil droplets it prevents them from drifting back together, so creams remain silky and uniform from the moment they leave the factory until they reach your bathroom shelf. A well-stabilized emulsion feels smoother, spreads more evenly, delivers active ingredients more consistently, and has a longer shelf life, all of which translate into a better user experience.

Who Can Use Acrylates/Aminoacrylates/C10-30 Alkyl Peg-20 Itaconate Copolymer

The copolymer is regarded as gentle enough for nearly every skin type. Its lightweight film does not clog pores so oily and acne-prone skin usually tolerates it well, while its ability to keep water and oil evenly mixed helps dry or mature skin enjoy a smoother cream. Sensitive skin users rarely report problems because the molecule is large and stays on the surface instead of penetrating, yet anyone with a known acrylic allergy should proceed carefully.

Because the ingredient is fully synthetic and produced without animal byproducts it is generally suitable for both vegans and vegetarians. That said, always check the finished product in case the brand combines it with other non-vegan additives.

Current safety evaluations show no evidence that the polymer is absorbed into the bloodstream, so it is considered low risk for people who are pregnant or breastfeeding. This is not medical advice; anyone expecting or nursing should have a doctor review their complete skincare lineup just to be sure.

The copolymer does not increase photosensitivity, so it will not make skin more prone to sunburn. It also rinses away cleanly from hair and scalp, making it a versatile choice in leave-in or rinse-off formulas.

Potential Side Effects/Adverse Reactions

Reactions to topical Acrylates/Aminoacrylates/C10-30 Alkyl Peg-20 Itaconate Copolymer vary from person to person. The points below list potential issues, yet most users experience none of them when the ingredient is used correctly by the manufacturer.

  • Mild skin irritation such as stinging or burning in extremely sensitive individuals
  • Redness or localized rash linked to an acrylic allergy
  • Contact dermatitis if applied to broken or compromised skin
  • Temporary eye irritation if the product accidentally gets into the eyes
  • Build-up on hair strands that can leave them feeling coated when very high concentrations are used

If any of these effects occur stop using the product and seek advice from a qualified healthcare professional.

Comedogenic Rating

Rating: 1 (very low)

Acrylates/Aminoacrylates/C10-30 Alkyl Peg-20 Itaconate Copolymer is a large water-loving molecule that stays on the skin surface and rinses away easily. It does not dissolve into pores or leave a heavy oily film so the chance of it trapping sebum is minimal. Formulas that use it are usually light which further lowers pore-clogging risk.

This makes the ingredient generally suitable for people who are prone to acne or breakouts.

The only time a higher risk might appear is when the polymer is paired with rich oils or waxes. In that case the overall product, not the polymer itself, could feel heavier on very oily skin.

Summary

Acrylates/Aminoacrylates/C10-30 Alkyl Peg-20 Itaconate Copolymer is an emulsion stabiliser that keeps water and oil blended so creams stay smooth from first pump to last drop. It works by placing its water-friendly and oil-friendly parts at the surface of each droplet locking them in place and stopping separation.

The polymer is not a headline act like hyaluronic acid or retinol but formulators rely on it for trouble-free texture. You will mainly see it in mid-priced moisturisers sunscreens and leave-in hair products rather than in trend-driven serums.

Safety reviews show it is non irritating non sensitising and not absorbed into the body. Most skin types tolerate it well yet it is always smart to patch test new products to catch any personal reactions early.

Was this article helpful?
More from Glooshi:
ADVERTISEMENT
Get all our top headlines in beauty.
Delivered right to your inbox each week. Zero spam, all goodness, opt-out at anytime.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Get the latest beauty news, top product recommendations & brand-exclusive discount codes direct to your inbox.
Send good feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Send bad feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Search