Well, one obvious one, which is maybe not so obvious, is to not put water on the rocks. Water can have toxins like PAS, forever chemicals. If you put them on the rocks, do they become airborne? So, we didn't put water on the rocks. Two is to make sure I had cotton clothing, not synthetics. That would might be bad. And finally, to shower immediately following the sauna to make sure you're removing toxins from the skin.