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.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.)