Suave Professionals Keratin Infusion Shampoo helps smooth frizz with a salon-proven system infused with Keratin. It seals the cuticle for lasting smoothness. This low sulfate, pH-balanced shampoo gently cleanses and leaves hair vibrant. It makes hair smooth and manageable for easy styling. The unique QuenchLock™ Technology delivers lightweight micro-moisturizing particles that lock in hydration, strengthening hair and reducing breakage. This shampoo and conditioner system provides frizz control for up to 48 hours. Suave Professionals Keratin Infusion Shampoo and Conditioner are as effective at preventing frizz as Kérastase Oléo-Relax, which is a registered trademark of L’Oréal SA.