Isobornyl Methacrylate
molecular structure · PubChem
AKA: Ageflex IBOMA, NK Ester IB, Acryester, Sipomer IBOMA, Light Ester IB-X, Eternal EM 90, IBXMA, Methacrylic acid, Isobornyl ester
Synthetic
Occlusive
Not Clean
2-Propenoic acid, 2-methyl-, (1R,2R,4R)-1,7,7-trimethylbicyclo[2.2.1]hept-2-yl ester, rel-
Effective at 15.5%
Formula
C14H22O2
Mol. Weight
222.32
CAS #
7534-94-3
Form
Liquid
State
Liquid
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Creates Protective Barrier
Fights Bacteria
UV Protection
Traditional Use
A modern synthetic monomer developed in the mid-20th century for use in polymerization reactions. Used in cosmetics as a film-forming agent in nail products and decorative cosmetics.
EWG
5
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
8.0%
23.0%
0%32%
Reported use
CIR reported use: .8-23 | 8.3-20.2
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR