Keratin Perfect Color Duo shampoo and conditioner is a color protecting shine enhancing and strengthening formula created for color treated hair. The duo protects hair from frizz and leaves hair tangle free and easier to style. The Keratin Perfect collection is powered by salon quality keratin and was designed to take the stress out of every hair routine and enhance hair instantly making it healthier frizz free smooth and more manageable. The set includes 3.4 oz Color Smoothing Shampoo and 3.4 oz Color Smoothing Conditioner.