R + Co Cassette Curl Defining Shampoo 8.5 oz. Play your best hair yet with CASSETTE. This curl-enhancing shampoo is designed to gently cleanse while maintaining and defining the shape of your curl. New with foil seal intact. The conditioner is also available in my closet. Smoke-free and Pet-free. Bundle 3 or more items for an automatic 15% discount. Same day or next business day shipping.