These straighteners work fast to style sleek straight hair, polished curls or cascading waves for shiny, head-turning, damage-free looks. 4 out of 5 users styled their hair faster with good to excellent results. Using digital T3 Tourmaline and Digital SinglePass Technology with adjustable temperature up to 232C (450F) maintains the optimum heat level for all hair types and textures. They deliver accurate and consistent heating to any style hair and seal the cuticle in one smooth pass, protecting hair against damage due to overheating and over styling.