A device for heating skin including an energy source for generating heat and light energy, a reflector arranged to direct heat generated by the energy source towards a skin interface element, the skin interface element having a skin interface area sufficient for producing a heat penetration depth into skin in accordance with a treatment plan, and wherein the skin interface element includes one or more light conduits for light energy generated by the energy source to pass therethrough to skin and one or more elements for conducting heat energy generated by the energy source to the skin, wherein the light conduits are formed as at least two separate patterns separated by at least one gap surface, the gap surface arranged to direct thermal energy to the skin.
