-- Beard dye shampoo: beard colour shampoo comes closer to true beard colour, and unlike other dyes, this beard colour is specially formulated for coarser facial hair, eliminating grey for a thicker and fuller look. Let you have the most perfect beard! -- Gentle formula: beard colour shampoo uses a gentle formula and natural plant dyes to give men's beard colour a more natural, fuller, closer to the real beard colour for 2-3 weeks. Discontinue use immediately if you notice skin discoloration or other allergic reactions such as discomfort or severe itching. For external use only. -- Easy to use: the beard darkening shampoo usually gives you colour in 5 minutes. Simply mix base and developer, apply with a brush, wait five minutes, done. Controlling how long a product stays on your beard can affect the depth of your target color. Do not use to dye eyelashes or eyebrows. Rinse after use. -- Save money and time: shampoo for men's hair colour saves money and time, you can do it yourself at home instead of going to the hairdresser. At the same time, the print design is convenient for you to use. Make your beard and hair darker for a natural, fuller and thicker look. Widely used: Apply as often as necessary. We know everyone is different, so our products are there when the grey hair grows back. Works on any type of facial hair - moustache, beard, soul stain, goatee. Ideal for touch-ups. (Note: Be sure to follow all instructions on the packaging and perform a skin allergy test 48 hours before use.) Instructions: 1. Wear gloves. 2. Squeeze the ingredients out of the bottle and mix in your palm. 3. Spread the product evenly on the beard and apply approx. massage in for five minutes. 4. Wash your beard with clean water after about 5-7 minutes. Warm tips: 1. This product should not come into contact with facial skin. 2. In general, the colour is dyed in 5 minutes, and controlling the residence time of the product on the beard can affect the depth of the target colour.