Tikkurila Supi Black Sauna Wax (2.7 Liters) is a high-quality, water-borne wax treatment that enhances and protects interior sauna wood while introducing a bold, contemporary look. Formulated with natural wax, it penetrates deep into the surface to create a silky matte finish that feels smooth yet durable. The elegant black tone adds depth and sophistication, making it ideal for modern dark-themed saunas. Suitable for benches, walls, ceilings, doors, and window frames, this versatile product provides uniform color and protection across all interior surfaces. Its low-odor, eco-friendly formula is easy to apply and dries quickly, leaving a moisture-resistant barrier that preserves the wood’s structure and appearance through heat and humidity cycles.