With Joanna's Multi-Effect Instant Color Hair Shampoo, you can turn lifeless, boring hair into a vivid, striking masterpiece. Your hair will receive a brilliant color boost from Joanna's special combination of keratin complex and ammonia-free ingredients that lasts for four to eight washes. With this wonderful shampoo, you can quickly and easily change your hair color without using ammonia or harsh oxidants. After using Joanna's Multi-Effect Instant Color Hair Shampoo, your hair feels and looks amazing. The keratin complex gives your hair a healthier, fuller appearance by nourishing, hydrating, and reinforcing it. You can appreciate your new appearance for weeks because the color won't quickly fade or wash off. gives hair brilliant color that lasts for four to eight washes. devoid of ammonia and free