Unveil Rich, Long-Lasting Color with Koleston 304/6, crafted for perfect grey coverage and deep, vibrant hues that stay true for up to 8 weeks. A luxurious infusion of multiple pigments drenches each strand in sumptuous color that captivates. Our advanced formula includes four deep moisturizers and an exclusive argan oil treatment, targeting dryness and leaving hair silky, resilient, and luminous. A transformation that's both visible and touchable, revel in hair that feels as good as it looks.