Sauna Wood Oil Treatment: 5 Liter Kit for Sauna Benches. Sauna Wood Oil Treatment kit is safe for all sauna rooms in residential and commercial saunas. This Paraffin oil is pure and completely free of color, fragrance and toxins. Protects all types of sauna woods (cedar, hemlock, red wood, etc.). Keep sauna benches and wall paneling protected by not allowing excess moisture to soak into wood fibers. Sauna Wood Oil Treatment is an environmentally friendly and is an all natural Paraffin base product, solvent-free. Usage instructions, applicator brush and sponge are included with the treatment.