Hydrolyzed Rhizobian Gum
AKA “Rhizobian Gum Hydrolysate, Hydrolyzed Rhizobian Gum Extract
Synthetic
Ingredient Facts
Hydrolyzed rhizobian gum
AKA: Rhizobian Gum Hydrolysate, Hydrolyzed Rhizobian Gum Extract
Synthetic · Film Forming · EWG: 4
Plant-Derived Synthetic
Occlusive
Skin Conditioner
Synthetic
Clean
A plant-based ingredient that creates a lightweight, breathable layer on skin and hair, helping your product stay put while feeling natural and comfortable.
Effective at 8.52%
CAS #
-
Form
Liquid
See origin →
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Viscosity Controlling
Antioxidant
Protects skin from free radical damage caused by UV, pollution, and stress
Anti-Inflammatory
Boosts Collagen
Creates protective layer
Traditional Use
A modern biotechnological ingredient developed in the late 20th century through fermentation of Rhizobium bacteria. Created as a natural alternative to synthetic gelling agents and film-formers in cosmetics.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Insufficient
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
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR