SaunaLife Sauna WaxSaunaLife Sauna Wood Wax 15. 2oz Protect & Enhance Your Saunas Natural Beauty Over time, sauna wood surfaces can become dry, stained, or worn from exposure to heat and moisture. SaunaLife Sauna Wood Wax is designed to protect, beautify, and extend the life of your saunas interior surfaces. This natural, non toxic wood treatment absorbs deep into the wood, creating a water repellent and stain resistant layer while enhancing its warm, natural tones.