An ultra-light, clinically proven fine hair shampoo to volumize and strengthen. This ultra-light volumizing shampoo for fine hair is clinically proven to strengthen, repair, and prevent future damage from everyday elements, styling, or salon services.* The best shampoo for fine hair has to repair as it volumizes. Nº. 4FINE gently removes buildup to leave hair clean and soft with lasting volume, body, and bounce – never weighed down or dried out.
