Sinolux Red Light Therapy Hat - Near-Infrared Hair Growth Device, 102 LED, 660nm & 850nm Wavelengths, Thinning Hair Loss Treatment.. Benefits of Red Light: * Androgenetic alopecia in men. * Androgenetic alopecia in women. * Increased hair density. * Increased hair thickness. * Prolonging the hair growth phase. Improved blood circulation in the scalp Reduced inflammation The device is used, clean, and has no defects. It was tested for a year with strong results. Selling due to no longer needing it.. * There is a personal experience video in the high-frequency device ad - both devices were used alternately 4 times a week. Without minoxidil.