A salt / baking soda bath could reduce radiation exposure
Spas could be hammams
Ice baths could be easily available
Showers could have steamers / aromatherapy
Geothermal mineral baths could help with psoriasis and other health issues
Sound baths could be beneficial
Baths could incorporate crystals, herbs, and/or flowers
Communities could have public baths
Shower curtains could not contain polyvinyl chloride