L' Oreal ultimate Styling Cream: L' Oreal Paris Studio/ Pro Heat Cream Sleek It! L' Oreal Paris Studio/ Pro Heat Cream Sleek It gives you 230°C heat protection & provides an ultra-straight effect & up to 96H* endurance. With unlimited styling opportunities, for those who get straight to the point, L' Oreal Paris Studio/ Pro Heat Cream Sleek It formula provides a perfect blend to fix your hairstyle while preserving the natural touch of your hair.