This salon proven thickening shampoo and conditioner system, infused with Collagen, gives hair volume from root to tip, transforming hair into vibrant, voluminous hair that looks thick and full Suave Professionals Collagen Infusion Conditioner is a detangling thickening conditioner that leave hair touchably soft and shiny This conditioner for volume is infused with collagen which is known to promote thicker and healthier looking hair Our hair shampoo and conditioner in this thickening system is best for those with fine or flat hair Thickening shampoo and conditioner is salon proven to work as well as Pureology Pure Volume (Pureology and Pure Volume are registered trademarks of L'Oreal USA Creative, Inc.) to volumize hair For best results, use our Suave Professionals Collagen Infusion thickening shampoo before using our conditioner for hair Suave 12.6 oz