Protect and style with ThermoShield technology for less heat damage with a consistent temperature, and mineral ions for reducing UV impact. For styles that are beautiful, healthy looking and frizz-free ThermoShield technology lets you style with less heat damage. Its' sensor regulates the temperature so that from root to end, your hair gets the ultimate even styling it deserves.Mineral ions helps to reduce the negative impact of UV, it lowers hair surface damage. Less UV damage keeps hair smooth and versatile.Smooth plates help the straightener glide smoothly through the hair, so you can spend less time styling and more time enjoying the same great result.