You should probably clean your headphones ASAP (before it's too late and this happens)

This article explains why and how to keep earbuds, headphones, and hearing aids clean to prevent bacterial growth, irritation, and ear issues, with expert advice noting that regular use isn’t inherently risky but hygiene is important, especially for in-canal earbuds. It recommends wiping devices daily, being mindful of materials that may irritate skin, and giving ears periodic breaks.