Crosspolymer
molecular structure · PubChem
AKA: Cross-linked Polymer, Crosslinked Polymer
Synthetic
Barrier Support
Clean
2-Propenoic acid, 2-methyl-, 1,1'-(1,2-ethanediyl) ester, polymer with butyl 2-methyl-2-propenoate, methyl 2-methyl-2-propenoate and .alpha.-(2-methyl-1-oxo-2-propen-1-yl)-.omega.-methoxypoly(oxy-1,2-ethanediyl)
CAS #
957645-61-3
Form
Liquid
State
Solid
Functions
Skin Protecting
Helps rebuild and strengthen your skin barrier — the invisible shield that keeps moisture in and irritants out. Essential after over-exfoliating or harsh weather.
Nourishes & Protects
Traditional Use
A modern synthetic polymer developed in the late 20th century for use as a thickening and stabilizing agent in cosmetics. Created to improve texture and consistency of formulations without the instability of some natural gelling agents.
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory0 listings
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR