buy something like this.

https://www.amazon.com/Pilamor-Headbands-Moisture-Headband-Sweatband/dp/B091669827/ref=sr_1_2?keywords=sports%2Bheadband&qid=1682299708&sprefix=sports%2Bhea%2Caps%2C341&sr=8-2&th=1

Turned my sessions from a sweaty mess where i would taste the salty sweat as it ran down my face, to being basically completely moisture free. it's almost like magic. and i have 4 of them and they are easy to wash and make sharing the headset way less gross.