... collagen tissue of dermis layer.When deep collagentissue is heated up to 45°C-60°C, it will naturally produce instant ... shrinking, stimulate toexcrete much new collagen to make up interspace of the shrinking or lost collagen protein,and make ... bag.Whiten and tender skin.Control ance, shrinken pores.Make up water, sculpture face shape.3) Treat pain.Deep diathermy;Activate cells ...