PRAVANA Fresh Dry Shampoo 3.4 oz With the best dry shampoo, your style can last longer until the next shampoo. PRAVANA Fresh Dry Shampoo is lightweight, so it can absorb excess oil at the roots without weighing down your hair. Use it once to soak up oil along your scalp, or layer it for more volume. Be sure to massage it in after spraying it on to avoid any residue.