Reply To: I've been using rubylux for 15 days now, I see improvements! Home › Forums › Red Light Therapy › I've been using rubylux for 15 days now, I see improvements! › Reply To: I've been using rubylux for 15 days now, I see improvements! November 4, 2020 at 3:56 pm #1290 HoneyParticipant It really depends on how we use it and what kind of treatment are we using RLT for and lastly out skin type/injury/illness.