The 13 ridge grip prevents the brush from slipping out of your hands even while working with gloves.
-The ridges in the brush also prevent it from slipping out of the bowl.
-Because the base of the bristles is widened, hairdye will not bleed onto thehandle.
-The handle can be optimized differently depending on if itis being held from the convexor concave side. If you are coloring the back of the head or roots, you can do so comfortably without straining your wrists.
-The crimped bristles hold more hair dye, which makes application easier and more efficient.