Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer

What is Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer?

Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer is a synthetic, cross-linked polymer formed by copolymerizing hydroxyethyl acrylate and sodium acryloyldimethyl taurate monomers. It belongs to the class of polyacrylate thickeners widely used in cosmetic formulations like creams, lotions, gels, and serums. This ingredient functions by absorbing water and swelling to create a three-dimensional gel network, which dramatically increases viscosity even at low concentrations. This network stabilizes oil-in-water emulsions by reinforcing the interface between phases, preventing coalescence and separation. It also imparts opacity for an appealing creamy look, suspends insoluble particles like pigments or exfoliants to avoid settling, and allows for smooth, spreadable textures across various pH levels and processing conditions.

Comedogenic Rating 0/5 Low risk of clogging pores

EWG Safety Rating 1 View on EWG →

Roles in Formulation

This ingredient serves the following purposes in cosmetic formulations:

Emulsion stabilizer

Improves emulsion robustness by preventing droplet coalescence and phase separation, often by thickening, structuring, or strengthening the interfacial layer.

Opacifying agent

Makes a formula less transparent to create a creamy, opaque look; can also help visually mask suspended particles and improve aesthetic uniformity.

Suspending agent

Keeps insoluble particles (pigments, beads, actives) evenly dispersed by increasing viscosity or forming a network, preventing settling and separation.

Viscosity controlling agent

Adjusts thickness to the desired level for stability and usability, improving dispensing, suspension, and texture across many formulation types.

Benefits

Enhances emulsion stability to maintain product integrity over time.

Provides customizable viscosity for pleasant application and feel.

Ensures even distribution of particles for consistent performance.

Who It's For

A quick guide for who this ingredient may suit (and who should be cautious).

Who May Benefit	Who Should Avoid
Users of emulsified products like moisturizers seeking long-lasting stability.	People with known sensitivities to acrylate polymers.
Individuals preferring non-comedogenic formulas for clearer skin.	Individuals avoiding synthetic thickeners in favor of natural alternatives.
Those desiring smooth, opaque textures in daily skincare routines.	Those experiencing reactions to similar rheology modifiers.

Safety Notes

Considered low hazard in cosmetic use with minimal reported concerns.
Non-comedogenic, unlikely to clog pores based on available ratings.

Frequently Asked Questions about Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer

What does this ingredient do in products?

It thickens formulas, stabilizes emulsions, opacifies for creaminess, and suspends particles evenly.

Is it safe for daily use?

Rated low hazard; suitable for most in cosmetic concentrations with no major concerns.

Does it clog pores?

Has a comedogenic rating of 0, indicating low risk of pore blockage.