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Acrylates Crosspolymer-4
AKA “
Carbomer, Acrylic Acid Crosspolymer
”
Surfactant
🦆
❤️
👻
Ingredient Facts
Acrylates crosspolymer-4
AKA: Carbomer, Acrylic Acid Crosspolymer
Surfactant · Cleansing · EWG: 4
WHAT IS IT?
Synthetic
Cleanser
Occlusive
Emulsifier
Not Clean
Acrylates Crosspolymer-4 is copolymer of acrylic acid, methacrylic acid or one of its simple esters, crosslinked with trimethylolpropane triacrylate
CAS #
-
State
Solid
See origin →
WHAT'S IT DO?
Functions
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Viscosity Controlling
Stabilizes Emulsion
Creates Protective Barrier
Cleansing Surfactant
Controls Viscosity
Wound Healing
Traditional Use
A synthetic crosspolymer developed for cosmetic applications. Functions as a thickening and suspending agent in modern beauty formulations.
Skin Types
●
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
IS IT SAFE?
EWG
4
CIR
Safe as used
Pregnancy
Yes
Restricted By
Whole Foods Premium Body Care
Beauty Heroes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA
✔ permitted
EU
⚠ restricted
JAPAN
⚠ restricted
CANADA
⚠ restricted
Regulatory Agencies
EWG
CIR
FDA
EU COSING
Health Canada
WHAT'S IT IN?
(8)
The Body Essentials Mini
Nécessaire
→
The New Tendency Duo
Nécessaire
→
The New Tendency Complete Set
Nécessaire
→
The Body Essentials
Nécessaire
→
The Body Wash Discovery Collection
Nécessaire
→
The Body Essentials
Credo Beauty
→
The Body Exfoliator | Physical + Chemical
Credo Beauty
→
The Body Wash 100 ml | Multi-Enzyme | Olibanum
Nécessaire
→
WHAT'S THE PROOF?
Final Report on the Safety Assessment of Carbomers-934, -910 -934P -940 -941, and -962
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
→
Acrylates Crosspolymer-4
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
C8-22 Alkyl Acrylates/Methacrylic Acid Crosspolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Calcium Potassium Carbomer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Carbomer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG/PPG-5/2 Methacrylate/Methacrylic Acid Crosspolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Potassium Carbomer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Sodium Carbomer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
C8-22 Alkyl Acrylates/Methacrylic Acid Crosspolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Carbomer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Potassium Carbomer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Sodium Carbomer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Multifunctional carbomer based ferulic acid hydrogel promotes wound healing in radiation-induced skin injury by inactivating NLRP3 inflammasome.
Huang C, Huangfu C, Bai Z, Zhu L, Shen P et al.
Journal of nanobiotechnology, 2024
→
Multifunctional carbomer based ferulic acid hydrogel prom...
Congshu Huang, Chaoji Huangfu, Zhijie Bai, Long Zhu, Pan Shen, Ningning Wang + 5 more
Journal of nanobiotechnology, 2024
→
Verified Jun 2026
Data: CosIng · EWG · CIR