Product Features Natural ingredients, gentle hair care: enriched with a variety of natural plant extracts, such as ginseng extract, black sesame extract and so on. These ingredients can nourish the hair while colouring, replenish the nutrients needed by the hair, reduce the damage to the hair caused by colouring, and make the hair softer and shinier.Rapid colouring and long-lasting effect: the unique formula allows the hair beauty agent to penetrate into the hair quickly and evenly, and it only takes a shorter time to present a rich brownish-black colour. Moreover, it has good colour locking function, not easy to fade, and can keep hair bright brown-black for a long time. EASY TO USE AND EASY TO OPERATE: It is designed with liquid and equipped with special application tools, such as hair colouring comb or spray nozzle, which is convenient for users to operate by themselves. Simply apply the hair colourant evenly to the hair, make sure every hair is covered, then wait for some time and finally rinse it off with water. Precise blending, natural colour: Brown-black is a carefully blended colour with the deep texture of black and the soft tones of brown, which can naturally blend into a variety of original hair colours. Whether you have a lot of grey hair or you just want to adjust your hair colour, you can achieve a natural and realistic effect, making your hair look healthier and more vibrant. How to use Firstly, make sure your hair is clean and dry. Wear gloves and a cape to avoid getting the hair colourant on your skin and clothing. If using a hair colouring comb, squeeze an appropriate amount of the hair colourant onto the comb and then start from the roots of the hair and use the comb to comb the hair colourant evenly to the ends of the hair, making sure that every strand of hair is coated; if using a sprayer, shake the hair colourant well and then spray it evenly into the hair and gently rub it with your hands so that the hair colourant covers the hair well. After application, wait for about 20 - 30 minutes, depending on your hair condition and colouring needs, to allow the agent to take full effect and make the colour stronger. Finally, rinse the hair thoroughly with lukewarm water until the water becomes clear. Avoid using water that is too hot as it may affect the colouring effect and damage the hair.