Dialight FAQ What’s the tech behind Hyaluronic Acidic gloss colour? | L’Oréal Professionnel | Free

Step into the world of the new Dia Light with this comprehensive technical class. In just over 8 minutes, we dive deep into the science and versatility of the 2026 formula, exploring how the integration of 1% Hyaluronic Acid has transformed the industry standard for acidic glossing and toning. This video serves as your ultimate technical companion, designed to answer the most common questions and provide expert solutions for even the most sensitized hair.