Create your lushest blow dry ever. Bumble and bumble's Thickening Spray is a pre-styling spray helps create lasting lift, volume, and body - for a lush, plush blow dry. This pre-styler spray creates lasting lift and volume – for your lushest blow dry, ever. (Same formula you know and love.) Perfect for - Density: fine to medium, Texture: straight to wavy, Type: normal.