A semi permanent colour with acidic ph value wella color fresh dark intense violet brown 366 blends greywhite hair by up to 40 the new formulation lasts up to 35 longer for fabulous colour results and intensive shine wella color fresh dark intense violet brown 366 which lasts up to 10 shampoos helps you achieve gentle colour effects refresh your permanent colour and level out uneven tones with no ammonia or peroxide color fresh is gentle on your hair it washes out evenly and comple