Pirology Botanics Root Vanish Brush What it is: Packed with 22 botanical extracts that hydrate, strengthen and treat the hair, our Coloring Brush is an elegant everyday solution to maintaining eternally youthful looking hair even in between our coloring appointments.What it does: Our best selling temporary hair touch up color flawlessly covers grays while making hair look healthy and radiant. Packaged conveniently into a click-pump applicator tube with a built-in brush, the COLORING BRUSH is easy to apply and leaves hair feeling and looking youthful, shinier and naturally free of grays and roots. Washes out with every shampoo the ideal emergency or travel solution to vanish your grays without the typical hassles of a temporary gray / root touch up products: NO powdery residue NO trace of product once dry NO transferring and rubbing off onto hands or even pillow case NO fragrances, parabens, peroxide or bleaching agents, drying powders or other irritants NO dripping due to a more water-resistant formulation Product Options.