Nicebeam Red Light Therapy HatDesigned for effortless daily use, the Nicebeam red light therapy hat combines red and infrared light in red light therapy for hair growth with a soft, wearable design. It is made to support thicker, stronger hair without the hassle of messy serums or expensive clinics. Simply wear it for 20 minutes a day, relax, and let the light do the work. Why choose this red light therapy for hair growth hat Most users notice visible improvement in 812 weeks.