Meet the Intensive Led Hair Boost Ooo Hat. This lightweight, adjustable, cordless device uses 200 medical grade diodes at 630, 660, and 420 nanometers to support stronger growth and reduce breakage. A discreet 10 minute session fits cleanly into your routine, delivering consistent stimulation for fuller looking hair.Each purchase includes a complementary progress journal, a 30 dollar value, designed for 90 days of tracking so users can measure real changes rather than guessing.