In general, we recommend washing every 3-5 uses, but if you really like to wash after each use, that's fine. Clean with clean water at room temperature. If you clean with makeup remover, it can also be done, but it will damage your eyelashes to a certain extent. Clean with clean water at room temperature. If you clean with makeup remover, it can also be done, but it will damage your eyelashes to a certain extent. If you don't have serious stains on your eyelashes, I recommend just gently brushing the surface with a brush to remove any floating dust without touching liquid.It's the best way to clean.