Rhizobian Gum
AKA “Xanthan gum, Bacterial polysaccharide
Ingredient
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
Hydrating Cold Cream Cleanser
Alpyn Beauty
 →
Barrier Repair Cream
Alpyn Beauty
 →
Instant Bright Eye
Alpyn Beauty
 →
Melt Moisturizer
Alpyn Beauty
 →
Hydrating Firming Serum
Alpyn Beauty
 →
Mini Barrier Repair Cream
Alpyn Beauty
 →
Double Polishing Peel
Alpyn Beauty
 →
The Radiance Ritual
Alpyn Beauty
 →
Mascara 101™
Saie
 →
Slip Tint™ Tinted Moisturizer
Saie
 →
Sunvisor™
Saie
 →
Mini Mascara 101™
Saie
 →
Mini Sunvisor™
Saie
 →
Bestsellers Bundle
Saie
 →
Complexion Boost
Saie
 →
Saieglow™ Duo
Saie
 →
Skin Glow Duo
Saie
 →
Slip Brush Duo
Saie
 →
The Allure Bundle 2024
Saie
 →
The Slip Tint™ Family
Saie
 →
Slip Tint™ Undetectable Baked Setting Powder
Saie
 →
peptide fine line eye gel
Cocokind
 →
turmeric tonic
Cocokind
 →
calm & clarify duo
Cocokind
 →
rise + shine trio
Cocokind
 →
ceramide hydration duo
Cocokind
 →
retinol face + body duo
Cocokind
 →
youthful duo
Cocokind
 →
milky-soft face and body cleanser
Cocokind
 →
Sunless Tan Anti-Aging Daily Face Moisturizer
COOLA
 →
Refreshing Water Cream
COOLA
 →
Face Sunscreen Lotion - White Tea
COOLA
 →
Face Sunscreen Lotion - Fragrance Free
COOLA
 →
Hydrating Sunscreen Lotion - Piña Colada
COOLA
 →
Hydrating Sunscreen Lotion - Fragrance Free
COOLA
 →
Hydrating Sunscreen Lotion - Guava Mango
COOLA
 →
Glowing Greens Detoxifying Facial Cleansing Gel
COOLA
 →
Hydrating Sunscreen Lotion - Peach Blossom
COOLA
 →
Face Sunscreen Lotion - Cucumber
COOLA
 →
3 Piece Classic Suncare Travel Set
COOLA
 →
Hydrating Sunscreen Lotion - Tropical Coconut
COOLA
 →
Rosilliance® Tinted Moisturizer - Fresh Rose
COOLA
 →
Rosilliance® Tinted Moisturizer - Golden Hour
COOLA
 →
Dew Good Illuminating Body Melt Lotion
COOLA
 →
Suncare Travel Essentials Set
COOLA
 →
Anti-Aging Hand Cream
COOLA
 →
Clean-ical Formulations AM + PM Serum Duo
Odacité
 →
Derm-Restore Super Serum • Edelweiss Extrême® • Peptides + Carnosine
Odacité
 →
Edelweiss Extrême® • Repair + Restore Set
Odacité
 →
Sun Defense Performance Duo • SPF 50 + Super Serum
Odacité
 →
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