Work locks to their thickest and most luscious with Bumble and Bumble. Thickening Spray - a pre-styler that creates lasting lift and volume. Spritz this pre-styler onto clean, damp hair for your highest volume blow dry, ever. Designed to breathe life into fine, flat hair, this hard-working hair product is formulated with hydrolyzed wheat protein, hydroxypropyltrimonium honey, PED-75 lanolin and a PVP/VA copolymer which, together, leave hair deeply nourished, beautifully voluminous, enviably glossy and full of movement.