Provide definition and hold to thinning hair with Nioxin 3D Styling Thickening Gel. As a part of the Nioxin professional hair styling product line, this styling gel gives a noticeable volume boost and a fuller end look. Nioxin thickening hair gel provides strong hold and texture for fuller-looking and smooth feeling hair, without stiffness or stickiness. | Nioxin 3D Styling Hair Thickening Gel Strong Hold and Texture, 5. 13 oz | Dermstore