Xanthan gum

Xanthan gum 1
Xanthan gum 2
Xanthan gum 3
Xanthan gum 4
AKA: Natural Thickener
Plant-Derived Synthetic
Cleanser
Emulsifier
Skin Conditioner
Clean
Xanthan gum
Effective at 3.0%
CAS #
11138-66-2
Functions
Binding
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Gel Forming
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Viscosity Controlling
Locks in moisture
Traditional Use
Developed in the 1950s by scientists at the United States Department of Agriculture as a natural thickening agent derived from bacterial fermentation. It was adopted by the cosmetics industry in the 1960s-70s as a stabilizer and viscosity modifier for creams and lotions.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
ewg-1
medical-approval
pregnancy-nursing-safe
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 Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
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Verified Jun 2026
Data: CosIng · EWG · CIR