SenseIQ technology for a personalized straightening experience. Senses. The active digital sensor measures your hair's temperature more than 20,000 times per styling session. Adapts. Proven to maintain up to 93% of your hair's essential strength*, the straightener with SenseIQ makes sure your hair always feels healthy on the inside while looking sleek and lustrous outside. Let your hair feel the enriching ionic ambience with the Tetra Ionic System. The patented design releases millions of ions using 4 special jets nested on both sides of the straightener. The enriching molecules remove static, eliminate frizz, and gives your hair lustrous glossy shine. Unique hair needs unique care. So stroke after stroke, Philips Straightener Prestige personalizes to you. Its active digital sensor measures the temperature of your hair more than 20,000 times per styling session to give you a tailor-made experience every time you style. The intelligent microprocessor is the brain behind SenseIQ. It constantly analyzes and adjusts the temperature. Adapting its heat to your hair, the straightener prevents overheating, while always providing the styling performance you expect.