Commercial shower cleaners and disinfectants for shower drains are designed to dissolve the fat and hair that remain in the pipes, for which manufacturers use caustic soda or sulfuric acid. As known, soda is a corrosive agent like acid, which causes extensive burns to the skin, eyes and mucous membranes. However, the drop of this substance in the eyes and is a huge likelihood of losing sight. Therefore, it is worth to try any home-made ways to tear the shower drain.