First of all, first, remove the pressing object that the lotion is pressing, then tighten the screw inside, then put it on, and try pressing again. Generally speaking, it is because the screw hole in the inside cannot be pressed. Tighten it more and tighten it. You only need to prepare warm boiled water, remember not to be too hot, a hairdryer can operate. First, use warm boiling water to quickly and repeatedly rinse the bottling bottle. After about 10-15 times, take out the hairdryer, adjust to the cold wind and start blowing the inner wall of the bottling bottle violently. The environment in the bottle of bacteria.

