... on assurement of skin comfortable, harmless, it uses RF electric wave to produce heat exchange, precisely attains ... Lift and tighten , whiten and tender skin.2) Control acne, improve wrinkle skin.3) Burn fatness, lighten ... at surface skin of client. 5.Choose proper RF head on relevant parts.6.During courses, ... Metal conductive panel and RF head should be applied along skins firmly.7 ...