Rhizobian Gum
AKA “Xanthan gum, Bacterial polysaccharide
Ingredient
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Ingredient Facts
Rhizobian gum
AKA: Xanthan gum, Bacterial polysaccharide
Ingredient · Film Forming · EWG: 1
Plant-Derived Synthetic
Occlusive
Clean
Rhizobian Gum is the polysaccharide gum produced by the fermentation by Rhizobian
Effective at 8.52%
CAS #
-
See origin →
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
Traditional Use
A modern ingredient derived from bacteria in the Rhizobium genus, developed through biotechnology in the late 20th century. Created as a natural alternative to synthetic thickening agents and stabilizers in cosmetic formulations.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
0.03%
17.0%
0%24%
Effective Range
CIR reported use: 0.03-17f | 0.4-3
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Xanthan gum in drug release.
Hernán Cortes, Isaac H Caballero-Florán, Néstor Mendoza-Muñoz, Lidia Escutia-Guadarrama, Gabriela Figueroa-González, Octavio D Reyes-Hernández + 6 more
Cellular and molecular biology (Noisy-le-Grand, France), 2020
Dehydroxanthan Gum
European Commission
EU Cosmetic Ingredient Database (CosIng)
Hydrolyzed Rhizobian Gum
European Commission
EU Cosmetic Ingredient Database (CosIng)
Hydroxypropyl Xanthan Gum
European Commission
EU Cosmetic Ingredient Database (CosIng)
Rhizobian Gum
European Commission
EU Cosmetic Ingredient Database (CosIng)
Xanthan gum
European Commission
EU Cosmetic Ingredient Database (CosIng)
Xanthan Gum Crosspolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
Hydrolyzed Rhizobian Gum
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Rhizobian Gum
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Xanthan gum
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Surface Morphology of Cosmetic Film Consisting of PEG-Diisostearate Amphiphilic Random Copolymer, Xanthan Gum, and Solvents.
Kaji M, Takeyama Y, Nioh A, Tsuyuki M, Akatsuka H et al.
Journal of oleo science, 2017
Preparation of sodium alginate and xanthan gum bionanocom...
Seyyede Fatemeh Mousavi, Nasser Arsalani, Marjan Ghorbani
International journal of biological macromolecules, 2025
Preparation of sodium alginate and xanthan gum bionanocom...
Seyyede Fatemeh Mousavi, Nasser Arsalani, Marjan Ghorbani
International journal of biological macromolecules, 2025
Preparation of sodium alginate and xanthan gum bionanocom...
Seyyede Fatemeh Mousavi, Nasser Arsalani, Marjan Ghorbani
International journal of biological macromolecules, 2025
Physicochemical stability of maize germ oil body emulsions as influenced by oil body surface-xanthan gum interactions.
Nikiforidis CV, Kiosseoglou V
Journal of agricultural and food chemistry, 2010
Physicochemical stability of maize germ oil body emulsions as influenced by oil body surface-xanthan gum interactions.
Nikiforidis CV, Kiosseoglou V
Journal of agricultural and food chemistry, 2010
Xanthan gum in aqueous solutions: Fundamentals and applications.
Nsengiyumva EM, Alexandridis P
International journal of biological macromolecules, 2022
Verified Jun 2026
Data: CosIng · EWG · CIR