Perfect Cotto is a concentrated descaling detergent designed for cleaning floors and all new or treated surfaces made of terracotta, clinker, and porous natural stone. It sanitizes and easily removes blackening, limescale stains, efflorescence, cement or lime dust, dirt, and grease without affecting the grout. It restores terracotta to its original color and beauty, renews surfaces, and leaves a pleasant clean scent in the room.