What's the difference between a hot girl and an ultrasonic scalpel? The difference between ultrasonic scalpel and hot Maggie is: 1, and the depth of action is different; Ultrasonic scalpel can directly act on the deep muscle aponeurosis layer of skin with a 4.5mm probe; And gemaji is less than 3.0mm, and the deepest can reach the dermis. Comparatively speaking, the effect of ultrasonic scalpel is deeper. 2. Different therapeutic effects; Ultrasonic scalpel focuses on face lifting, while hot Maggie focuses on firming skin. 3. Different postoperative comfort; Surface anesthesia is needed before operation. After using the ultrasonic scalpel, some people will have allergic phenomena and redness for a short time. In addition, because it is necessary to promote the apoptosis of old cells, there will be slight pain when using it under the premise of standardized operation.