What is Xanthan Gum?
Xanthan Gum is a texture-building thickener. A fermentation-derived natural thickener rated 0/5.
Where Xanthan Gum shows up
You'll most often find Xanthan Gum in gels, serums, and lotions, where it controls consistency. Separately from clogging, its irritancy is rated 0/5 — low, so it's unlikely to sting or sensitise on its own.
Is Xanthan Gum bad for acne-prone skin?
That low score makes Xanthan Gum a reasonable choice even for acne-prone skin. As always, individual reactions vary, but it is not a likely cause of clogged pores.