Ingredient glossary
Xanthan gum
On your shelf ✓What Xanthan gum does for your skin, who it suits, and what to watch for.
INCI: Xanthan Gum · Also: Xanthan
In short: Xanthan gum delivers viscosity control and texture, plays a broad, supporting role, and the evidence behind it is strong.
- What it does
- Viscosity control, texture
- Best for
- A broad, supporting role
- Evidence
- Strong
What it actually is
The Glow take
Nice to have, and nothing to overthink.
Xanthan gum plays a quiet supporting role, rounding out a formula rather than being the reason you buy it.
— Maya
What it does
- viscosity control
- texture
- film forming
strong evidenceMonographs and CIR reviews describe a high molecular weight polysaccharide that thickens water based systems at roughly 0.1 to 1 percent, stabilizes emulsions and forms a non occlusive film. Contact reactions are rare and mostly occupational.
On a label: usually effective at 0.1-1%.
Who it's for, and who should skip it
Tends to suit
No specific skin type. It is a broadly used ingredient.
Approach with care
- rare allergy
- Irritation riskLow
How it fits each skin type
- DryNeutral
- CombinationNeutral
- OilyNeutral
- SensitiveNeutral
Take extra care if any of these apply to you: rare allergy.
Where it fits in your routine
Plays well with
- film formers
- emulsifiers
- humectants
Xanthan gum, answered
Is Xanthan gum safe during pregnancy?
Yes. Xanthan gum is considered safe to use during pregnancy and breastfeeding. As with anything, if you are unsure it is worth a quick word with your doctor or midwife.
Who should avoid Xanthan gum?
Approach Xanthan gum with care if any of these apply to you: rare allergy.
What concentration of Xanthan gum actually works?
Xanthan gum tends to do its job in the 0.1 to 1% range. Much lower and it is likely underdosed.
Does it clog pores?
No published rating identified; regarded as non comedogenic.
- This rating comes from old lab tests on the isolated ingredient, not the finished product.
- The full formula, how much is used, and your own skin all matter more than one number.
- If you are acne-prone it is worth noticing, not a reason to avoid it on sight.
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