Back to Ingredient Dictionary

ISOBUTYLENE/ETHYLMALEIMIDE/HYDROXYETHYLMALEIMIDE COPOLYMER

Description

ISOBUTYLENE/ETHYLMALEIMIDE/HYDROXYETHYLMALEIMIDE COPOLYMER is a synthetic polymer used in various skincare and cosmetic formulations. This multifunctional ingredient serves as a film-forming agent, providing a protective barrier on the skin's surface. It also acts as a texture enhancer, improving the feel and application of products.

The copolymer is composed of three monomers: isobutylene, ethylmaleimide, and hydroxyethylmaleimide. This unique combination results in a versatile ingredient that offers both hydrophobic and hydrophilic properties. Its film-forming ability helps to lock in moisture and other beneficial ingredients, potentially enhancing product efficacy.

In skincare formulations, this copolymer can contribute to improved product stability and increased resistance to water and sebum. It may also aid in the even distribution of active ingredients across the skin's surface. The ingredient is particularly useful in long-wearing makeup products, sunscreens, and anti-aging formulations.

While generally considered safe for topical use, as with any synthetic ingredient, some individuals may experience sensitivity. It is always recommended to patch test new products containing this copolymer before full application.