Easily activate and define curls while hydrating hair. Moroccanoil? Curl Defining Cream is one of our most popular products for curly hair. This argan oil-infused curl definer features an advanced heat-activated technology that provides a curl memory factor to fight frizz and create well-defined, natural-looking, bouncy curls that last. Winner, Curl Defining, 2019 Allure Readers' Choice Awards