Curl Activator Curl Defining Cream conditions, defines and enhances natural curls. Philip Kingsley's feather-light formula combats frizz, leaving curls looking bouncy, healthy and shiny. Part of the Styling range which includes products to smooth and soften, boost volume and shine, and fix and refresh any style. Seeking to lend smooth definition to all curl types, the Philip Kingsley Curl Activator Tube is a lightweight formula that nourishes hair to bestow a radiant shine. The non-sticky formula works by separating curls to promote a bouncier, more voluminous finish. Formulated like a gel, the styling solution is infused with copolymers and dimethicone to help visibly enhance curl retention.