Promotes a healthier scalp by providing a deep cleanse and reducing irritationStimulates hair growth with red LED light at 630 nm. Supports thicker, stronger hair by improving scalp circulationEffectively removes dandruff and product build-up with the silicone massager. Built-in battery and USB cord included. In the shower, wet your hair and apply shampoo, then gently massage your scalp with the silicone massager in circular motions before rinsing thoroughly.. Post-shower, ensure your hair is clean and dry, then turn on the LED brush.. Gently brush your scalp, focusing on areas needing extra care. Use the red light (630 nm) for hair growth or the blue light (450 nm) for scalp health.. SSNR-WU29. SLNY49.