Smooth Proof Shampoo and Conditioner provide humidity control and anti-frizz smoothness even in 97% humiditynThese products detangle and de-frizz, defend against humidity to keep hair manageably smoothnSuitable for color treated hairnBiolage smooth proof shampoo and conditioner is a gentle moisturizing cleansing that helps to provide smoothness without weighing the hair down. Matrix Biolage smooth proof leaves hair soft, shiny and manageable and less frizz.