If you feel like you've got lifeless hair, Suave Professionals Collagen Infusion Thickening Shampoo can help transform dull hair into vibrant, voluminous hair. Infused with collagen protein, this hair shampoo does more than just moisturize your tresses. It enhances volume and body from root to tip, boosts hair shine, and softens hair. Our thickening hair products with collagen pack a lot of hair strength into a single, recyclable bottle. If you've got fine hair or flat hair, this hair thickener can help your hair look and feel fuller. Plus, this hair shampoo is safe for color-treated hair. Simply apply Suave Professionals Collagen Infusion Thickening Shampoo to wet hair and massage from scalp to ends. For a deep conditioning hair treatment, use with Suave Professionals Collagen Infusion Thickening Conditioner. You can leave the conditioner on for one to three minutes for added volume and shine. Since 1937, Suave hair products and beauty products have been helping America live beautifully. Our Suave Professionals line of hair care products has been salon-proven to work as well as select competition, at an affordable price. Transform your lifeless hair into vibrant, voluminous hair with our collagen-rich hair shampoo for fine to flat hair. Revel in your enhanced body, softness and shine.