Joico is by far one of the best for hair products, and the same goes for the Sun Therapy Nourishing shampoo. In the summer I spend most of my time outside and my hair gets naturally "bleached" by the sun. Combine that with frequent beach days and damage from chlorine in pool water, and my hair is far from shiny and soft! My hair dresser recommended this shampoo in July, and my only wish is that I'd tried it sooner! Much more beneficial than any "deep conditioning" hair mask or repairing conditioner that I've ever tried! Added bonus: smells divine!