Our washing machine cleaning powder contains oxygen bleach and surfactants. It can deep clean stubborn stains in washing machines. Its use is very simple: 1. Take 160 grams (about 2 bottle caps) of the product, pour it into the inner bucket of the washing machine, and then add about 2 liters of hot water above 80C (about 1 pot of boiling water); 2. Close the door of the washing machine, adjust to the middle water level, and choose the drum self-cleaning mode for washing; 3. If the washing machine does not have a bucket self-cleaning mode, please close the inlet tap, add warm water of about 50C to the low water level, and then start the daily washing mode, running for 15-30 minutes; 4. After washing, some stains may not be completely removed. Please open the inlet tap and perform the daily washing mode twice again to ensure that the inside and outside barrels are thoroughly cleaned. And it has a variety of functions, such as cleaning and deodorization, to provide comprehensive protection for family health.