Smoothproof Shampoo: professional formula that gently cleanses frizzy hair, making it soft, shiny, and easy to manage. Leave behind frizzy and overly voluminous hair, thanks to cutting-edge formulas inspired by the camellia's ability to thrive in a high-humidity environment. These formulas work by coating the hair and aligning the cuticles to protect them from humidity, providing smooth and disciplined hair even with 97% external humidity.** Using the Smoothproof system made up of shampoo, conditioner, and spray vs. classic shampoo.