Ergo brushes have been proven to create a smooth, shiny and humidity resistant finish to the hair. Using brushes result in instantly sleeker, stronger, shinier hair. They offer: - Faster drying time due to expelling the water when the hair cuticle and shaft are constricted. - Stronger hair due to the compaction of the hair strand. - Shinier and longer lasting hair color due to the closure of the cuticle allowing light to reflect off more easily. - Humidity control due to cuticle constriction to help prevent frizziness.