05 Jun 2024 --- L’Oréal Paris unveils its latest breakthrough, Colorsonic. Developed and incubated for ten years by L’Oréal Paris, Colorsonic is a “first-of-its-kind” at-home hair color device designed for “all hair types, lengths and textures” with over 29 patents. The device automatically mixes dye and developer in a “perfect ratio” to deliver “long-lasting” color results with the press of a button.