Essations Resilient 7-Day Leave-In Conditioner continuously strenghtens hair for up to 7 days. Helps eliminate breakage and split ends. Essations Resilient 7-Day Leave-In Conditioner aids in flattening the cuticles, making the hair less porous and silky smooth. Encourges strength in damaged areas, new hair growth, and an overall healthy head of hair. For preventative adn corrective use on any type of hair.