Well-designed Combs All brushes are designed with flexible yet stiff bristles ensuring an even and smooth application of dye color, stiff bristles exceptional for root touch-ups. Easy To Maintain The hair dye brush and bowl are very easy to clean after use, just wash them with normal water to make them as shiny as new. Multi-purpose Use Hair coloring brush and bowl kit is an ideal pick for hair dyeing and perming, keratin, DIY, at-home dyeing, highlight, and any hair treatment.