murphyRhizobian Gum
molecular structure · PubChem
AKA: Xanthan gum, Bacterial polysaccharide
Plant-Derived Synthetic
Occlusive
Clean
OriginProduced through bacterial fermentation of Rhizobium species, a nitrogen-fixing bacterium commonly found in soil. The polysaccharide gum is extracted and purified from the fermentation broth via precipitation and drying processes.
Rhizobian Gum is the polysaccharide gum produced by the fermentation by Rhizobian
CAS #
-
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Hair Fixing
Plasticiser
Viscosity Controlling
Creates protective layer
Holds hair in place
Adds flexibility
Controls product thickness
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
CIR Safety Findings
Not a Skin Irritant (CIR report on the ingredient group)
CIR report statement covering this group of ingredients / not tested individually (CIR 611)
Not a Sensitizer (CIR report on the ingredient group)
CIR report statement covering this group of ingredients / not tested individually (CIR 611)
Concentration Guide
CIR's newest survey reports no concentration of use.
CIR · report published 2016
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR