With hearing aids it seems to be common to use different tools to dry them. There are special boxes, dry capsules and other stuff to keep/get them dry again after use.
https://www.amazon.com/s?k=hearing+aid+dry+box&ref=nb_sb_noss_2
https://www.amazon.com/s?k=hearing+aid+dry+box&ref=nb_sb_noss_2