Our coffee machine cleaners contain lauryl polyether-7 and sodium lauryl polyether sulfate. It can deeply clean the inside of the coffee machine, effectively remove grease and coffee stains. Its use is simple: Pour 1/2 bottle into the tank of the machine, then fill the rest with water, use the subtractive color setting of the machine to brew until blank, refill with clean water, boil until empty, and repeat step 3 twice. And safe ingredients to reduce the impact on the environment.