Our toilet cleaning powder contains sodium bicarbonate and citric acid. It can quickly remove dirt, keep clean for a long time, and help improve the toilet environment. Improve the overall hygiene of the bathroom. Its use method is very simple: 1. Pour hot water into the toilet and add an appropriate amount of washing powder. 2. Let stand for 2 hours. 3. By lightly brushing the toilet with a brush, dirt can be easily removed, leaving it looking like new. Formula safe, deep cleaning, safe and harmless, not easy to residue, not easy to hurt hands. Scientific descaling, no damage to tooth enamel, stains can be easily removed by rinsing, simple and hygienic.