murphySodium Carbomer
molecular structure · PubChem
AKA: Carbomer Sodium Salt, Polymer Thickener
Synthetic
Occlusive
Emulsifier
Clean
OriginSodium Carbomer is derived from acrylic acid, a synthetic organic compound in the polymer family. It is synthesized through polymerization of acrylic acid monomers, followed by neutralization with sodium hydroxide.
2-Propenoic acid, polymer with 2,2-bis(hydroxymethyl)propane-1,3-diol 2-propenyl ether, sodium salts
CAS #
73298-57-4
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Gel Forming
Viscosity Controlling
Anti-Inflammatory
Antimicrobial
Fights Acne
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
Restricted By
Concentration Guide
Leave-on0.015–0.65%
Rinse-offNot reported
0%50%100%
CIR reported use · 2018 survey
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR