Philips is always looking for healthier ways to dry and style your hair. You can really tell from the Philips hair dryers. They dry your hair quickly, but limit the damage to your hair to a minimum. Philips hair dryers use a temperature sensor for this. This sensor measures the temperature or the moisture level of you hair and adjusts the air temperature accordingly. The Philips Prestige hair dryers call it the SenseIQ technology and use it to keep your hair healthy.