Perfect For Straight Or Curly Texture, This Protective Shine Serum Actually Repairs And Replenishes Damaged Hair. It'S The Third Step In Brocato'S Regimen Designed For Hair That Requires Softening And Smoothing. Directions: After Using Curlinterrupted Smoothing & Hydrating Shampoo And Treatment, Apply To Wet Hair, Concentrating On The Ends To Middle Of Hair Shaft. When Used With A Blow Dryer, It Works As A Conditioning Booster. When Applied To Dry Hair Before Flat Ironing, It Protects And Seals In Shine.