The current method and apparatus employs ultrasound beams to precisely monitor in real time the temperature of a specific segment of tissue being treated. Additionally, the current method and apparatus also provides ultrasound thermo-control of aesthetic skin treatment sessions. Such sessions may include one or more aesthetic skin tissue treatments such as sub-dermal fat cells breakdown, lessening of the amount of sub-dermal fat, tightening of loose skin, tightening and firming of body surfaces, reduction of wrinkles in the skin and collagen remodeling.
