XANTHAN GUM
Thickener
Excellent
CAS Number: 11138-66-2
About XANTHAN GUM
A natural thickener made by fermenting sugar — gives products their creamy texture. Safe, gentle, and used in food too.
Detailed Analysis
Xanthan gum (CAS 11138-66-2) is a high-molecular-weight polysaccharide produced by bacterial fermentation (Xanthomonas campestris). Functions as an emulsion stabilizer, gel former, and viscosity controller. The CIR Expert Panel concluded it is safe for cosmetic use. Also FDA GRAS as a food additive. Non-irritating, non-sensitizing, and non-comedogenic. Not absorbed through the skin due to large molecular size. Widely used at 0.1-2% to create stable, pleasing textures in creams, lotions, and gels.
Skin Benefits
- ✓ Creates smooth, stable product textures
- ✓ Helps prevent ingredient separation
- ✓ Film-forming — provides a protective layer on skin
Known Concerns
- ⚠ No significant safety concerns
- ⚠ Very rare reports of sensitivity in individuals allergic to corn (fermentation substrate)
Safety Score
Excellent
Based on EU regulatory data, published safety research, and ingredient function analysis.
References
EU CosIng Database
European Commission cosmetic ingredient registry
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Download LuxSenseThis information is for educational purposes only and does not constitute medical advice. Always consult a healthcare professional for skin concerns or allergies.