Pravana The Perfect Blonde Sham & Cond. DUO 11 oz. Pravana the Perfect Blonde Shampoo and Conditioner combo pack is the powerful duo you can trust to turn blond, silver or light hair from dull and brassy to gleaming and bright. Quality cleansing and conditioning remove unwanted yellows to give hair a pure elegance. Enrich and protect while cleaning and hydrating. Ingredients include essential keratin and silk to keep hair strong and smooth for a perfect style every day.