Xanthan Gum Crosspolymer
AKA: Modified Xanthan Gum, Polysaccharide Polymer
Plant-Derived Synthetic
Skin Conditioner
Barrier Support
Not Clean
Xanthan Gum Crosspolymer is Xanthan Gum crosslinked with Disodium Sebacate
Effective at 3.0%
CAS #
-
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Skin Protecting
Helps rebuild and strengthen your skin barrier — the invisible shield that keeps moisture in and irritants out. Essential after over-exfoliating or harsh weather.
Nourishes & Protects
Traditional Use
Developed in the 1960s by Kelco Company as a bacterial fermentation byproduct of Xanthomonas campestris. Adopted by cosmetics industry as a thickening and stabilizing agent to replace gum arabic and other natural gums.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
1e-05%
6.0%
0%100%
Reported use
CIR reported use: 0.00001-6 | 0.1-1 | 0.03-5
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR