CHI Luxury Black Seed Oil Blend Curl Defining Cream-Gel is a lightweight styling cream that controls frizz while helping to tame, shape and define curls and waves in perfectly controlled styles. Nourishing Black Cumin Oil strengthens and revitalizes hair while providing extra shine. Method of use: Apply a sufficient amount to the palms and spread through the hair, using the product to create curls. Dry hair using a blow dryer or diffuser. You can also use the product on dry hair to shape the curls.