Acrylates/Steareth-20 Methacrylate Copolymer is a hydrophobically modified alkali-swellable emulsion (HASE) polymer. It is widely used as a thickener, stabilizer, and emulsifier in cosmetic formulations. It provides high viscosity with shear-thinning rheology, excellent suspension of particles/pigments, and good clarity in aqueous gels. This white to off-white aqueous dispersion (typically 25-30% active) is especially valued in sulfate-free shampoos, body washes, facial cleansers, hair gels, styling creams, and some emulsions. It delivers luxurious texture, salt tolerance, and long-term stability without the stringiness of some natural gums.
Products with ACRYLATES/STEARETH-20 METHACRYLATE COPOLYMER
With samples available
NM-Carbomer Aqua 20
by Anhui Newman Fine Chemicals
NM-Carbomer Aqua 10
by Anhui Newman Fine Chemicals
What is ACRYLATES/STEARETH-20 METHACRYLATE COPOLYMER used for?
- Viscosity controlling / Thickening: Builds high viscosity in aqueous systems with pseudoplastic flow. Frequently used in shampoos, body washes, gels, and cleansers for rich, non-dripping texture.
- Emulsion stabilizing: Enhances stability of O/W emulsions and prevents phase separation. Common in lightweight lotions, sunscreens, and color cosmetics for improved shelf life.
- Suspending agent: Keeps pigments, exfoliants, or actives uniformly dispersed. Ideal in foundations, scrubs, and glitter gels to avoid settling.
- Film forming (minor): Contributes light film-forming properties in hair styling gels and setting lotions.
Origin
Acrylates/Steareth-20 Methacrylate Copolymer is produced synthetically through emulsion polymerization of acrylic acid, methacrylic acid esters, and the hydrophobic steareth-20 methacrylate monomer. The reaction occurs in water with initiators and emulsifiers, yielding a stable aqueous dispersion. It is fully petrochemical-derived but offers excellent performance in both conventional and sulfate-free/natural-leaning systems.
What does ACRYLATES/STEARETH-20 METHACRYLATE COPOLYMER do in a formulation?
VISCOSITY CONTROLLING|
EMULSION STABILISING|
FILM FORMINGSafety Profile
Acrylates/Steareth-20 Methacrylate Copolymer is considered safe for cosmetic use per the CIR Expert Panel (safe as used in acrylates copolymers). It has a low hazard rating from EWG (typically 1-2) with minimal concerns for irritation or sensitization due to its large molecular size and low skin penetration. Residual monomers are strictly controlled. Non-comedogenic and well-tolerated in compliant formulations.
ACRYLATES/STEARETH-20 METHACRYLATE COPOLYMER alternatives
ACRYLATES/STEARETH-20 METHACRYLATE COPOLYMER technical profile
| Property | Values |
| Boiling Point | >100°C |
| pH | 6.0 - 8.0 |
| Solubility | Dispersible in water |
| Viscosity | High |