Shop › Bumble and Bumble Thickening Spray Image 1 of 1 Bumble and Bumble Thickening Spray $38.94 BSC member’s price :8.5 oz $23.36Apply Member ID at Checkout~A lightweight pre-styling blow-dry spray to thicken hair before your blowout. Add To Cart Added! BSC member’s price :8.5 oz $23.36Apply Member ID at Checkout~A lightweight pre-styling blow-dry spray to thicken hair before your blowout.