Get ready for vibrant, voluminous hair with our Suave Professionals Collagen Infusion Thickening Shampoo. Infused with collagen, this pH balanced shampoo for fine hair gently cleanses, leaving hair vibrant. This thickening system featuring our hair shampoo and conditioner is best for those with fine or flat hair and helps enhance volume and body from root to tip, boosts hair shine, and softens hair. This system contains our unique QuenchLock™ Technology that works by delivering lightweight micro-moisturizing particles that lock in hydration to help make hair strong to reduce breakage. Our Suave Professionals Collagen Infusion Shampoo and Conditioner is salon proven to work as well as Pureology® Pure Volume® (Pureology® and Pure Volume® are registered trademarks of L'Oréal USA Creative, Inc.) to volumize hair.