Infusium PRO 23 Moisturizing Leave In Treatment is specially formulated fir dry, brittle and frizzy hair. special Pro-Vitamin B5 and anti-static ingredients deeply penetrate and nourish stressed hair leaving it feeling soft and silky. Lightweight, detangling formula won't weigh hair down--can be used daily. Can also be used immediately following chemical processing to help seal the cuticle, leaving hair healthy-looking with superb manageability and shine. 33.8 ounces.