1. It is recommended that users use a water-like essence serum with strong fluidity. After dripping from the dropper, the water-like essence serum flows faster and all the liquid can flow out smoothly within 10 minutes;
2. If overused, it may cause physical discomfort and skin injury.
3. If there is still has essence left inside, then you can continue to massage until it runs out, or you can add less essence before use (half the capacity of the serum cabin is 3ml).