Bigen water activated permanent hair color is ammonia free, and requires no hydrogen peroxide. It colors your hair without lifting lightening action, and with less damage than other ordinary hair color products with similar action. Its the gentle choice. Sold in 70 countries worldwide, Bigen is a renowned authority in hair coloring. Regardless of your natural hair color, consistency, condition, length or style, Bigen produces optimum darkening results. NEW FORMULA- Please note colour of powder and mixture may differ from the previous product, but the end result on your hair remains the same. New plastic bottle. The product is lighter and it appears that the amount of the powder has been affected , but the volume remains the same.