A device for cosmetic treatment of human skin, including: a needle for inserting into the skin; a DC power source electrically connected to the needle for providing negative current to the needle; an anode that is electrically connected to the DC power source to receive positive current, and that is adapted to be placed in contact with the skin of the person into which the needle is inserted to form a closed electrical circuit; at least one RF transmitter coupled to the needle for radiating the area around where the needle is inserted to provide heat while the needle is deployed.