Kevin Murphy Doo Over Dry Powder Finishing Hair Spray 6.3 Ounce 178 Milliliters Kevin Murphy Doo Over is a dry powder finishing hair spray that contains Tapioca starch. This hair spray provides a soft, smooth feel with a light hold. It removes product residue and excess oils and can also help relieve signs of dandruff. This sulfate-free and paraben-free product is suitable for all hair lengths and types.