A hand piece will be placed on the skin, this is the hand piece used to target focussed energy to the fat cells. The hand piece is placed on the area of treatment and held there for approximately 2 minutes. This will be repeated 3 times per treatment area. During treatment, you may feel the warmth of the hand piece, and in some cases it may get slightly hot and uncomfortable. You may also feel a slight vibration and tingling sensation, although this is completely normal.may feel similar to when you have been in the sun.