Bumble & bumble Thickening Shampoo For fuller, sexier, retro style Bumble & bumble Thickening Shampoo is the ultimate solution for thin hair as it makes it look & feel full of body. This lightweight shampoo will give fine, struggling hair a boost & more volume. Thickening Shampoo also seals your split ends & smoothes flyaways. Apply Bumble & bumble Thickening Shampoo on your wet hair Lather small amount of it in the palms of your hands Massage through Rinse thoroughly You don't need to repeat the shampooing Suitable for fine lifeless hair.