Laser Cap vs iGrow Laser With the advancements of at home laser devices in recent years - two devices stand alone among the competition. The laser Cap which consists of 224 to 300 low-level laser diodes for both maximum efficacy and scalp coverage and the iGrow which is manufactured by the same group who produced the legendary Revage 670 In-Clinic Laser in the 90's. … [Read more...] about Laser Cap vs iGrow Laser, Laser Hair Therapy, Hair Loss Solutions