Mokeru 200ml Black Beard Dye Shampoo Permanent Men Beard Dye Covering White Grey Beard. The beard black shampoo uses a unique hair dye technique and a natural plant pigment factor formula to make the man's beard color more natural and closer to the true color of the beard. This product uses a new packaging technology, suitable for men's daily beard care, to keep the color and status of a man's beard at any time. 5 minutes black beard dye if need brown or wine red color , please keep it 20 mins Before beard dye , please make sure the beard is dry. Usage: 1.Take out the products from box and Put on gloves. 2.Push out the ingredients from bottle,and mixed ingredients in the palm. 3.Apply the products on the beards evenly,and massage about five minutes. 4.After about 5-7 minutes, then wash beard with cleaning water. 5.Dry the beard,then will get the target color. Tip: This product must be used on dry beard,and don?t touch to face skin.Usually 5 minutes finish the color dye, Controlling the residence time of the product on the beard can affect the depth of the target color. Warning: Keep out of reach to children.In case of contact with eyes rinse with plenty of water.