Reply To: Can skin cancer be cause by red light therapy, or is my fear unfounded Home › Forums › Red Light Therapy › Can skin cancer be cause by red light therapy, or is my fear unfounded › Reply To: Can skin cancer be cause by red light therapy, or is my fear unfounded November 3, 2020 at 5:21 pm #1252 DemonSlayerParticipant I was also curious if it can damage the eyes if used for a long time, say maybe 20-30 years?