Discover Olia by Garnier, the 1st permanent hair color without ammonia activated by oil. With its ODS technology, 60% oil, Olia visibly improves hair quality, color after color. Thanks to maximum color power, Olia offers you long-lasting, rich and vibrant color. Its wide range of shades will meet all your color desires while preserving the quality of your hair. With Olia, enjoy a true moment of pleasure during your coloring: appreciate the velvety texture of the color cream and the developer cream mixture; savor its delicate floral fragrance during application and extend this experience by reusing the brilliance & silk touch care after coloring.