Create a fuller-looking mane with the Nioxin 3D Intensive Diaboost Hair Thickening Xtrafusion Treatment. This treatment is designed to restore a thicker appearance to thinning or fine hair types. Offering thorough action, the formula seeks to swell the look of every strand. Diameter-boosting Diaboost with HTX technology blends caffeine, panthenol and niacinamide to help support fullness and volume. Easy to apply, Nioxin’s leave-in treatment targets the hair’s diameter, working to promote thick, manageable locks.