Bosley Volumizing and Thickening Nourishing Leave In What it is: Alcohol free leave-in nourishing thermal protector provides thickness and volume What it does: Creates noticeable body and volume, with Hydrolyzed Vegetable Protein to help detangle and give smoother, shinier hair. LifeXtend Complex may support healthy hair function. ColorKeeper helps protect & extend color. Humidity and heat resistance, with great thermal-styling protection. How to use it: Apply liberally to clean damp hair, style as usual Features & Benefits LifeXtend Complex - Hydrates and nourishes while strengthening and fortifying the follicles and hair shaft for thicker, fuller looking hair. ColorKeeper - Helps protect and extend longevity of hair color. Humidity & Heat Resistant - Protects from high heat and humidity.