Joanna Professional Curls, 200 g, Hair Creams and Gels for Women, The Joanna Professional leave-in treatment gives your hair everything it needs after washing. Characteristics: provides hydration and nourishment for your hair improves the quality of the structure of your hair leaves hair beautifully shiny and full of vitality makes hair velvety smooth How to use: Apply to washed hair along the lengths and to the ends.