Combined with the JFS1's 15 second instant heat up, this straightener gives you a professional-quality styler with a true ceramic heater. Reach temperatures up to 455 degrees F (235 degrees C) in 15 seconds and you can style quickly and efficiently. Give yourself professional-quality style in just seconds and at minimal cost compared to a trip to the salon. This straightener has a temperature range that's gentle and safe for any type of hair, from the finest to the curliest most resistant. The 11 heat settings heat up to the exact temperature for your hair type.