Carbomer
AKA “Thickener”
Ingredient
Ingredient Facts
Carbomer
AKA: Thickener
Ingredient · Emulsion Stabilising · EWG: 2
Synthetic
Emulsifier
Clean
2-Propenoic acid, polymer with 2,2-bis(hydroxymethyl)propane-1,3-diol 2-propenyl ether
CAS #
9007-20-9, 9003-01-4, 76050-42-5, 9062-04-8, 9007-16-3, 9007-17-4
Form
Powder
State
Solid
See origin →
Functions
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Gel Forming
Viscosity Controlling
Stabilizes Emulsion
Controls Viscosity
Antioxidant Protection
Reduces Inflammation
Locks In Moisture
Keeps product blended
Creates gel consistency
Controls product thickness
Traditional Use
A synthetic polymer (acrylic acid copolymer) developed in the mid-20th century for cosmetic formulations. Created to replace natural gums as a thickening and stabilizing agent with superior consistency control.
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
2
CIR
Safe as used
Pregnancy
Yes
Restricted By
CIR Safety Findings
Not a Sensitizer
ewg-2
medical-approval
pregnancy-nursing-safe
all-shades-safe
Regulatory Agencies
Super Rich Ceramide + Collagen Firming Cream
Kinship
Hydration Set
Kinship
Glow + Go Set
Kinship
Restorative Body Serum - Unscented
Kinship
Restorative Body Serum - Vanilla
Kinship
Moisturizing Body Cream - Unscented
Kinship
Moisturizing Body Cream - Vanilla
Kinship
The Bodycare Ritual - Vanilla
Kinship
The Bodycare Ritual - Unscented
Kinship
The Hydrate + Brighten Ritual
Kinship
Morning + Night Serum Set
Kinship
Cashmere Matte Eyelights
RMS Beauty
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
Calcium Potassium Carbomer
European Commission
EU Cosmetic Ingredient Database (CosIng)
Carbomer
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)
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