Refa Ion Care Brush— Ionic massage brush for hair and scalp washingIonic comb gently cleanses scalp pores from impurities and dead cells. The comb bristles have a concave structure to fit closer to the scalp. Has hard and soft bristles for better exfoliation of dead cells and removal of impurities from the scalp. Ionic plate ionizes hair, thereby removing static stress from hair, smoothing hair cuticles, making hair obedient. How to apply? Apply shampoo to hair, massage with a comb. Use the comb to make movements