1. Boiled water deodorization method
Clean the inside of the cup with a neutral detergent first, then pour boiling water into the cup, let it stand for two hours, and finally clean the inside of the cup.
2. Orange peel deodorant method
Clean the inside of the cup with a neutral detergent first, then put the fresh orange peel into the cup, tighten the lid of the cup, and leave it for about four hours. Finally, clean the inside of the cup.
3. Milk deodorant method
Clean the inside of the cup with a neutral detergent first, then pour two tablespoons of fresh milk into the cup, tighten the lid of the cup, leave it for about four hours, and finally clean the inside of the cup.
