Isobornyl Methacrylate
AKA “Ageflex IBOMA, NK Ester IB, Acryester, Sipomer IBOMA, Light Ester IB-X, Eternal EM 90, IBXMA, Methacrylic acid, isobornyl ester, UNII-33GSY5DKCQ”
Ingredient
Ingredient Facts
Isobornyl methacrylate
AKA: Ageflex IBOMA, NK Ester IB, Acryester, Sipomer IBOMA, Light Ester IB-X, Eternal EM 90, IBXMA, Methacrylic acid, Isobornyl ester, UNII-33GSY5DKCQ
Ingredient · Film Forming · EWG: 5
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
See origin →
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.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
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%
Effective Range
CIR reported use: .8-23 | 8.3-20.2
Regulatory Agencies
Final Report on the Safety Assessment of Methacrylic Acid
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
C8-22 Alkyl Acrylates/Methacrylic Acid Crosspolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
Isobornyl Methacrylate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Methacrylic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Methacrylic Acid/Styrene/VP Copolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG/PPG-5/2 Methacrylate/Methacrylic Acid Crosspolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
C8-22 Alkyl Acrylates/Methacrylic Acid Crosspolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Isobornyl Methacrylate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Methacrylic Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Methacrylic acid
Health Canada
Health Canada Cosmetic Ingredient Hotlist
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR