Keeps your plumbing like new, ideal product for the maintenance of all types of washrooms. Against limescale and rust : removes all deposits and soap residues and other dirt from bath, showers, faiences, sinks, taps ... Cleans thoroughly and restores the original shine. No danger of corrosion. Safe for e-mail and PVC, also for stainless steel, chrome, porcelain and natural stone! Certainly not for marble !!! Directions for use: pour a little product on a damp sponge or spray a little product on the surface to be treated and rub it in with a sponge. Depending on the dirt, let it soak in for about 10 minutes. Rinse with clean water. Wear gloves : not necessary Non-flammable, non explosive, non toxic, non corrosive. The product is 100% biodegradable