... , do operating with mini RF for 20~30 minutes (Gel for first gear, Body Lotion for second gear, Oil for third gear)Nasolabial folds:When ... 's acceptance range3. During operation, be sure RF head along skins firmly , keep pen vertical to skin, no tilt.4. Using enough cold ... and will disappear half an hour later after treatment Mini RF rf Device for home use, facial care machine, portable device