Bio-Groom Magic White Dog Coat Whitener Cleaner Bio-Groom Magic White Whitener-Cleaner has been specially formulated to whiten white, cover stains, discolorations, and add body to the coat. It will not rub off like ordinary chalk. Leaves the coat smelling fresh and clean. Comes in a special non-clog, non-polluting aerosol. Item Specifications. FEATURES: Specially formulated to whiten white coat, cover stains, discolorations Dries rapidly and stays on Will not rub-off like ordinary chalk or even come off with water Will wash out easily with shampoo Works great on all long and short hair breeds It is non-sticky, non-irritating and has a fresh clean fragrance