Sodium Carboxymethyl Starch

AKA: SODIUM STARCH GLYCOLATE (II), SODIUM STARCH GLYCOLATE [II], SODIUM STARCH GLYCOLATE (MART.), SODIUM STARCH GLYCOLATE [MART.], Sodium starch glycolate type a, SODIUM STARCH GLYCOLATE TYPE A (USP-RS), SODIUM STARCH GLYCOLATE TYPE A [USP-RS], SODIUM STARCH GLYCOLATE TYPE A POTATO (II), SODIUM STARCH GLYCOLATE TYPE A POTATO [II], SODIUM STARCH GLYCOLATE (TYPE A) (EP MONOGRAPH)
Synthetic
Occlusive
Emulsifier
Clean
OriginDerived from plant starches, typically sourced from corn, potato, or tapioca plants worldwide. Produced through carboxymethylation, where starch is chemically modified with sodium hydroxide and chloroacetic acid.
Starch, carboxymethylether, sodium salt
Formula
C11H14FNO3S
Mol. Weight
259.30
CAS #
9063-38-1
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Binding
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.
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
Concentration Guide
Leave-on1.9–4.7%
Rinse-off0.05–2.5%
0%50%100%
CIR reported use · 2013 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR