Olaplex No.4 FINE Bond Maintenance Shampoo, Ultra-light, Clinically Proven Fine Hair Shampoo to Volumize & Strengthen (8.5 Fl Oz)

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. *When used with No.5FINE Bond Maintenance® Conditioner.