... half the time2.Save time and money on expensive salon coloring and get beautiful results at home-quickly, ... press the button,and make the comb tenoning appears amount of foam,Then comb and dye the hair .(this ... and fixativefixer foam appeared in the interval of the comb teeth with equal quantity) 3.Convenient to use: ... on scalp and do not fade,comb with fragrance,it's can comb and dye by yourself,no side ...