Skip to main content
Back to ingredient checker

Ingredient deep-dive

Xanthan Gum: Is It a Microplastic?

Not a microplasticCleared / not a microplastic

Not a microplastic. A polysaccharide produced by bacterial fermentation of sugar, used to thicken. It is the standard natural substitute for synthetic acrylate thickeners like carbomer.

Where it appears

  • Gels and serums
  • Natural thickener
  • Emulsion stabiliser

Regulatory status (2026)

European Union

Permitted; a biopolymer, exempt from the microplastics restriction.

United States

Permitted.

Cleaner alternatives

  • No swap needed — often the swap for carbomer

Use the app

Scan any product for Xanthan Gum in 5 seconds

The MicroPlastics iOS app flags this ingredient and 24 others instantly. Paste a label into the free web ingredient checker first if you want a no-install scan.

Download on the App Store

Xanthan Gum, common questions

Is Xanthan Gum a microplastic?

Borderline. Not a microplastic. A polysaccharide produced by bacterial fermentation of sugar, used to thicken. It is the standard natural substitute for synthetic acrylate thickeners like carbomer.

Is Xanthan Gum banned?

EU: Permitted; a biopolymer, exempt from the microplastics restriction. US: Permitted.

What can I use instead of Xanthan Gum?

Cleaner alternatives include: No swap needed — often the swap for carbomer.

What products contain Xanthan Gum?

Commonly found in: Gels and serums; Natural thickener; Emulsion stabiliser.

Related ingredients