Infrared represent the new objective for the Upgrade system: the high performance, professional infrared straightener plates that smooth hair while protecting it and lending it a softer feel. Just one pass is sufficient to produce a sensation of unrivalled smoothness in the case of the most rebellious hair; the plates are ideal in the case of fine and treated hair that requires low temperatures during styling. Infrared technology uses electromagnetic waves that act directly on the internal structure of the hair in order to produce the best styling results temperatures 30% lower than conventional plates. The hair scales are closed and natural hydration is maintained, rendering hair luminous and soft to the touch. Infrared: irradiating beauty and health.