A cooling system for a flash bulb of an intense pulsed light device, the cooling system comprising: a reservoir ; a pump fluidically connected with a conduit downstream to the reservoir ; a handpiece thermally connected to a flash bulb of an intense pulsed light device and fluidically connected downstream to the pump with a conduit ; an air-cooled heat exchanger fluidically connected downstream to the handpiece with a conduit ; and a thermoelectric cooler-cooled heat exchanger fluidically connected downstream to the air-cooled heat exchanger with a conduit and fluidically connected upstream to the reservoir with a conduit , wherein a cooling liquid circulates in the cooling system, characterized by a temperature controller , wherein said temperature controller is installed downstream to the air-cooled heat exchanger and is fluidically connected to the air-cooled heat exchanger with a conduit , and to the thermoelectric cooler-cooled heat exchanger with a conduit , wherein said temperature controller is electronically connected to the thermoelectric cooler-cooled heat exchanger with a connection line , wherein said temperature controller is configured to sense the temperature of the cooling liquid that enters into the thermoelectric cooler-cooled heat exchanger , wherein said temperature controller is configured to control operation of the thermoelectric cooler-cooled heat exchanger according to the temperature of the cooling liquid that enters into the thermoelectric cooler-cooled heat exchanger by using a predetermined threshold temperature, and wherein the thermoelectric cooler-cooled heat exchanger is configured to be actuated by the temperature controller when the sensed temperature of the cooling liquid is above said predetermined threshold temperature. a reservoir ; a pump fluidically connected with a conduit downstream to the reservoir ; a handpiece thermally connected to a flash bulb of an intense pulsed light device and fluidically connected downstream to the pump with a conduit ; an air-cooled heat exchanger fluidically connected downstream to the handpiece with a conduit ; and a thermoelectric cooler-cooled heat exchanger fluidically connected downstream to the air-cooled heat exchanger with a conduit and fluidically connected upstream to the reservoir with a conduit , wherein a cooling liquid circulates in the cooling system, characterized by a temperature controller , wherein said temperature controller is installed downstream to the air-cooled heat exchanger and is fluidically connected to the air-cooled heat exchanger with a conduit , and to the thermoelectric cooler-cooled heat exchanger with a conduit , wherein said temperature controller is electronically connected to the thermoelectric cooler-cooled heat exchanger with a connection line , wherein said temperature controller is configured to sense the temperature of the cooling liquid that enters into the thermoelectric cooler-cooled heat exchanger , wherein said temperature controller is configured to control operation of the thermoelectric cooler-cooled heat exchanger according to the temperature of the cooling liquid that enters into the thermoelectric cooler-cooled heat exchanger by using a predetermined threshold temperature, and wherein the thermoelectric cooler-cooled heat exchanger is configured to be actuated by the temperature controller when the sensed temperature of the cooling liquid is above said predetermined threshold temperature. <EOS>