Redken Extreme Conditioner, 8.5-oz, from Purebeauty Salon & Spa

One of Redken's best-selling products, this hair-strengthening conditioner protects shine, repairs your hair and leaves it supple and shiny. A smart, targeted delivery system, the exclusive new Rct Protein Complex treats hair from the root to the core to the tip, giving all three levels the custom nourishment they need.