Reply To: Does Rubylux near-infrared bulb emit UV radiation.. Home › Forums › Infrared Light Therapy › Does Rubylux near-infrared bulb emit UV radiation.. › Reply To: Does Rubylux near-infrared bulb emit UV radiation.. November 9, 2020 at 9:15 pm #1467 NicholaParticipant I agree with using sunblock as an extra protection not just from the sun but the rays the RLT emits.