Paraffin Oil - 1 LiterProtects your sauna wood from moisture, stains, and dirt by penetrating into the pores rather than forming a surface film. Non toxic, odorless, and safe for skin contact important for bench surfaces where you're sitting directly on treated wood. Best applied when the sauna is warm (around 120F). Brush or sponge it on, let it absorb for about an hour, then wipe off any excess. Reapply annually or when the wood starts looking dry. Makes treated surfaces