Thank you for your suggestion. A video would be much more intuitive, and we will be adding one to the product page. Please wait a few days. If you need it now, you can contact our after-sales email. 

The probe must be removed or replaced while the device is powered off (power off is required for removal). 

Normal skin: once every 7-10 days. Sensitive skin: once every 15-20 days. A course of treatment consists of 9 sessions. If you need to improve your skin, continue treatment at the recommended frequency. If you only want to maintain your skin, you can wait one month between each course of treatment. 

They can be used together, and it is recommended to use them together. 

Yes, you can, just avoid the areas with metal implants. 

Repeat. Each course of treatment consists of nine sessions. After each course, you can rest for a week and then repeat the course. | ----|----| After several courses, your skin condition has improved. If you just need to maintain it, you can do it once every two weeks. You have to do it consistently; if you don't, your skin will continue to age. This is done to stimulate the underlying collagen and slow down aging. 

Cannot be used 

Please rest assured that it can be used. 

Only RF can produce a sense of heat, while HIFU cannot. Please contact us via email to help you troubleshoot the problem. 

Treatment Course (Face & Eye Area) One full course: 9 sessions For deep wrinkles: 15 sessions per course Time of use:Use every 7–10 days For sensitive skin: use every 15–20 days Notes: 1. The maximum duration of full-face treatment should not exceed 60 minutes. Those with sensitive skin should keep the energy intensity to a minimum when using radiofrequency (RF) and high-intensity focused ultrasound (HIFU). 2. After using an ultrasound scalpel, it is generally recommended to apply a moisturizing mask or use it in conjunction with a cold spray.