02/23/2026 - Notice! The viscosity specification range for Sodium Carbomer has changed. Please review the Specification Sheet, which is under the SDS & Tech Data tab. CAS No. 73298-57-4, 9003-04-07 Sodium Carbomer is a pre-neutralized synthetic polymer that can be used to thicken, suspend and stabilize cosmetic formulations. Requiring very low concentrations, Carbomers are often used to adjust the viscosity of cosmetic preparations. They dry quickly and are not film forming. Sodium Carbomer does not require the alkaline catalyst that all other Carbomers require. Sodium Carbomer is already neutralized, and in the sodium carbomer form, it is a dry powder with a pH of approximately 6.5. After mixing with water to create a simple gel matrix, the pH remains a 6-7.5. Unlike most Carbomers which are acidic and need to be neutralized with an alkaline substance to thicken them after introduction, Sodium Carbomer does not. As it is sprinkled into a formulation, it readily thickens within a pH range of approximately 5.0 to 10 at a concentration of 0.2%. Carbomers as an ingredient family resist bacterial attack and do not readily support mold growth. Under normal conditions, gels prepared with Sodium Carbomer neither prevent nor promote the growth of microorganisms; therefore the addition of a suitable preservative system is advisable. Benefits Low dusting powder for superior handling Quick dispersion Simplifies the production process pH is constant during the production process The viscosity of finished products can be modified Can tolerate a 70:30 water/alcohol blend (note that is NOT 70% alcohol, it is 30%!) Typical Applications Eye Gels Body Washes Shampoos Creams and Lotions INCI: Sodium Carbomer California Prop 65 Statement: The following statement is made in order to comply with the California Safe Drinking Water and Toxic Enforcement Act of 1986. This product contains residual solvent methanol (
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