The iKeener Laser Hat is a innovative hair loss prevention device that utilizes 120 LEDs emitting red light at wavelengths of 460nm, 660nm, and 850nm for optimal hair growth stimulation. Designed by Ikeener, this unit is suitable for all hair types and comes in a standard size. With a dosage of 1%, this product provides a convenient and effective solution for promoting hair growth and preventing further hair loss, making it a must-have for anyone looking to improve the health and appearance of their hair.