Joico K-PAK Color Therapy, 250 ml, Hair Conditioners for Women, The Joico K-PAK Color Therapy conditioner makes your hair easy to detangle and nourishes it, something all healthy, beautiful hair needs. Characteristics: makes hair colour last longer protects hair against damage seals the hair’s surface, making it more resilient How to use: Apply after first washing with shampoo. Leave to act for a while, then rinse thoroughly.