TIGI Pro Smooth & Seal Shampoo and Conditioner Duo is a smoothing haircare system designed for dry, frizzy, and unruly hair. The shampoo gently cleanses while helping smooth the hair cuticle, improve softness, and enhance natural shine. The coordinating conditioner provides additional moisture and conditioning to help detangle hair, reduce frizz, and improve manageability. Together, these products help leave hair feeling softer, smoother, and easier to style with a sleek, polished appearance. Apply shampoo to wet hair, massage gently, and rinse thoroughly. Follow with conditioner, distribute through wet hair, leave on briefly, and rinse well. Includes one 25.36 fl oz (750 ml) shampoo and one 25.36 fl oz (750 ml) conditioner.