Xanthan gum is a high-molecular-weight polysaccharide produced by fermenting Xanthomonas campestris for cosmetic use. It thickens and stabilizes water-based systems, controls viscosity, suspends particles, and improves texture and spread.
A fermentation-derived thickener that gives formulas body and spread.
Category
Tone/Texture
Type
Rheology Modifier
Ratings
Overall Rating
Great
Comedogenic Risk
None
Not typically evaluated for comedogenicity — no standardized rating available.
Our take
Is Xanthan gum a Good Ingredient?
It rates Great as a proven, stable rheology modifier with broad pH and electrolyte tolerance and extensive industry backing, showing very low irritation potential. Its inert nature supports formula stability without interfering with actives.
What it does
Skin Benefits
Gives products a smooth, cohesive glide and helps prevent runny textures for more even application, contributing to a uniform feel across the skin or hair.
Where you'll find it
Uses in Skincare & Cosmetics
Used in gels, serums, and shampoos to create cushiony, gel-like bodies and maintain a consistent texture over time.
Before you use it
Safety
Considered low risk for irritation or sensitization; adverse reactions are rare. Suitable for most skin types, including sensitive.