NEW Dia light - Hyaluronic Acidic Gloss Colour - No Ammonia Experience the future of gloss colour with Dia Light, powered by 1% Hyaluronic Acid complex. This breakthrough formula instantly replenishes moisture —delivering up to 3x less breakage. Designed to respect cortex integrity whilst boosting shine, Dia Light delivers up to 82% glossier colour with every application. The unique acidic pH technology combined with a vegan formula creates infinite colour possibilities for toning, glossing, and refreshing. Say goodbye to ammonia. Say hello to hydration, strength, and radiant colour that lasts.