L’Oréal’s latest flat iron uses infrared light to make hairstyling much faster
TL;DR
L'Oréal's Light Straight flat iron uses infrared light to style hair faster at up to 320°F, building on tech from their Airlight Pro hairdryer to reduce heat while speeding up the process.
Hair gadgets have become increasingly popular over the last decade. Hair dryers, curlers, steamers - you name it, there's probably a TikToker shilling for the latest hair gadget that will totally revolutionize a hair routine. Even so, I was excited to get a demo of L'Oréal's Light Straight at CES 2026.
It's an extension of the tech that L'Oréal introduced at CES 2024 with the AirLight Pro hair dryer. In a nutshell, most conventional hairstyling tools rely on heated coils and motors. The AirLight Pro hair dryer introduced infrared light to help speed up drying while reducing the overall heat required. (I've been doing some long-term testing …