Experience fuller-looking* hair with Nioxin 3D Styling Thickening Spray. This professional thinning hair product adds texture, body and lift for thicker hairstyles and healthy-feeling hair. 3D Styling Thickening Spray with ProThick technology increases hair volume, enabling the creation of a fuller* hair look. Nioxin spray helps to increase hair diameter and protect its density. (*vs. untreated)