The easiest way to instantly refresh your hair is with dry shampoo, according to thousands of satisfied shoppers. Not Your Mother's Clean Freak Dry Shampoo Powder can absorb excess oil and grease, break down residue, dirt, and sweat, deodorize, and even give your roots an extra volume boost. These products allow you to put off washing your hair for another day or four. Powder dry shampoo can be a great choice for those who want precise application. Dry shampoos designed specifically for dark or light hair can also leave behind visible residue.