1. After cleaning the face, apply a medium to the skin. It is recommended to use the skin care products you often use, such as lotion, aloe vera gel, etc. as the medium. (Essential oils and essences containing alcohol are not suitable for use) 2. After adjusting the HIFU and RF energy to the highest level that feels comfortable.Use the lifting and holding techniques. The Face treatment use time is 15–45 minutes. The eye area use time is 10-15 minutes.(Ultrasonic waves are not visible to the naked eye. If you need to test whether ultrasonic waves are working properly, you can fill the container with water for testing.) 3. Clean the facial skin with water and apply a moisturizing mask. For better results, we suggest using a mask cover to promote the absorption of the moisturizing mask For deep wrinkles: 15 sessions per course Time of use:Use every 7–10 days For sensitive skin: use every 15–20 days