what is an ionizer used for
1 2 3. It is strongly recommended the use of ionizer to rid the air of pollution. Ionizer is a device which purifies the air inside an infrared sauna. During an infrared sauna session, a human body releases toxins and bacteria through sweat.t is strongly recommended the use of ionizer to rid the air of pollution. Ionizer is a device which purifies the air inside an infrared sauna.