Joanna Color Boost Complex, 500 g, Hair Conditioners for Women, The Joanna Color Boost Complex conditioner makes your hair easy to detangle and nourishes it, something all healthy, beautiful hair needs. Characteristics: toning conditioner for blonde hair makes untangling and styling easier seals the hair’s surface, making it more resilient neutralises yellow undertones in your hair How to use: Apply after first washing with shampoo. Leave to act for a while, then rinse thoroughly.