Our solid bathroom soap "Descaling & Shine" is formulated only with proven natural ingredients: Meudon white (clay limestone), white vinegar, and baking soda. They combine to create a descaling and shining solution, leaving your bathroom sparkling clean. With its beechwood box, you also choose to contribute to environmental preservation. An essential for cleaning the bathroom and kitchen. USAGE ADVICE: – Moisten the soap with water. – Rub it on a sponge. – Scrub the surfaces to be cleaned. – Rinse with water.