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.. October 5, 2020 at 3:40 pm #822 bpbaddieParticipant Just to add things up, Rubylux does not have ultraviolet rays and are free of toxic substances.