L\'Oréal Professionnel DIA Richesse illuminates natural hair colour through its ammonia free and tone-on-tone colouration process, for rich, deep reflects and exceptional soft feel. Ideal for blending away your first grey hairs leaving it with a natural-looking colour. This fantastic semi-permanent hair colour lasts up to 4 weeks and naturally fades after time. The short development time also makes it perfect for quick hair dye top up services for those with busy lives. With its innovative conditioning formula, Dia Richesse leaves hair feeling conditioned, looking glossy and helps to enhance vibrancy.