A device and a method for thermal treatments of target material with various thermal interactions are disclosed. A device for treating hair on the skin comprises a treatment head coupled to a housing a hair remover for removing the hair from a target area of the skin a light source for transmitting a predetermined amount of energy to the skin. A device and method for treatment of tissue. The device comprises of an energy source for treatment of surface and subsurface tissue, And of a mechanical source of energy for mechanically deforming the treated tissue. Both the Mechanical Energy (ME) and the Treatment Energy (TE) may be either continuously operating (CO) or modulated in time and space.
