Sodium Carboxymethyl Beta-Glucan

AKA: CMC Beta-Glucan
Synthetic
Cleanser
Clean
OriginDerived from beta-glucan polysaccharides, typically sourced from yeast cell walls or synthesized from glucose polymers. Produced through carboxymethylation, where sodium hydroxide and chloroacetic acid chemically modify the beta-glucan backbone.
β-D-Glucan, (1→3)-, Carboxymethyl Ether, Sodium Salt
CAS #
9050-93-5
Form
Powder
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
Binding
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Viscosity Controlling
Anti-Inflammatory
Antimicrobial
Fights Acne
Removes dirt and impurities
Holds ingredients together
Controls product thickness
The paper trail
🔬Peer-reviewednone on file
⚖️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
CIR Safety Findings
Not Phototoxic
Human test found no phototoxicity in the CIR safety assessment (CIR 611)
Not a Sensitizer
2 studies / 2 not sensitizing (CIR 611)
Mixed Skin Irritation Results
2 studies / 1 irritating / 1 not irritating / reactions slight (CIR 611)
Mixed Eye Irritation Results
2 studies / 1 irritating / 1 not irritating / reactions weak (CIR 611)
Concentration Guide
Leave-on0.0002–0.1%
Rinse-off0.0001–0.1%
0%50%100%
CIR reported use · report published 2016
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR