This leave-in conditioner bonds keratin proteins and vitamins to hair follicles to fully condition hair inside and out. It provides long lasting moisture strength shine and manageability. Lightweight formula protects from sun damage while keeping even frizzy hair smooth and soft. Created to extend the result of the 30 Day Straight-Smooth-Strong and Long Treatment Starter Kit. Benefits:Suitable for all hair types. Will not weigh hair down. Light-weight formula can be used daily