I don't think it will separate your curls all by itself. It helps to retain any curl definition you already have, as it dries without blowing the hair all over the place, thereby locking in curl pattern. To prevent bushiness, apply your curl defining products to soaking wet hair, carefully squeeze excess water from hair (or shake water out in the shower) and diffuse, placing your hair into the cup of the diffuser, scrunching hair as you go, if desired. HTH