BSY noni black hair magic is a shampoo based hair dye which blackens grey hair in 10 minutes BSY noni black hair magic is based on the pure extract of hawaiian noni fruit. BSY noni black hair magic is a fruit based dye product formulated with various herbal essences for hair nutrition. It is a product developed by years- long research of health experts and scientists. The herbal ingredients can rapidly turn the hair black naturally and keep it healthy. Besides blackening hair and nourishing properties which can supply essential nutrients to hair roots. It won't damage hair and scalp as it contains no harmful chemicals. It's a 100% no ammonia.