Perfect Cotto is a concentrated descaling cleaner designed for the cleaning of floors and all new or treated terracotta, clinker and porous natural stone surfaces. It easily sanitises and removes blackening, limescale stains, saltpetre, cement or whitewash dust, dirt and grease, without affecting grouts. It restores the original hue and beauty of terracotta, renewing surfaces and leaving a pleasant clean scent in the room.