Improves condition of normal hair. Why use ThermaSilk Balancing Shampoo? Provides the perfect balance of gentle cleansing and light moisturizing to leave hair shiny and luxurious. Its Heat-Activated to improve the condition of your hair. What does heat-activated mean? The ThermaSilk revolutionary formula contains heat-activated moisturizers that help lock in your hair's moisture that can be lost during heat styling - transforming a dull, lifeless texture into softer, silkier hair.