Ouidad Climate Control Defrizzing Shampoo is a daily use sulfate-free cleanser created for those with curly hair. Created to help guard hair against frizz and flyaway hair. Gentle, sulfate-free formula is designed to provide long lasting protection from frizz and flyaways. Ouidad's exclusive Humidity Shield Complex combines a unique blend of moisturizers that encapsulate the hair shaft and act as a protective barrier against heat, humidity, and other environmental actors. The breathable, weightless formula works to protect curls and maintain color without stressing the hair. Best for use with Ouidad Climate Control Defrizzing Conditioner.