Our washing machine sink cleaners contain lemon extract, cocamidopropyl betaine, palm kernel oil amide DEA. It dissolves and removes stubborn dirt, detergent residue, and dirt from hidden grooves, crevices, and rubber seals in the washing machine. Its use method is very simple: 1. Throw the clothes out of the washing machine. Pour the detergent into the washing machine box or directly into the roller. 2. Run the washing machine cycle. Our detergents effectively neutralize and eliminate odors, leaving your clothes smelling fresh.