Beard dye shampoo: This beard color shampoo is formulated to provide a natural-looking beard color, specifically designed for coarse facial hair. It helps cover grey hair, leaving your beard looking thicker and fuller with a more natural appearance. Gentle formula: This beard color shampoo features a gentle formula with natural plant-based dyes to help achieve a natural, fuller look that lasts up to 2–3 weeks. Discontinue use immediately if skin discoloration or any allergic reactions such as irritation or severe itching occur. For external use only. Easy to use: Achieve visible results in about 5 minutes. Simply mix the base and developer, apply evenly with the included brush, wait for 5 minutes, then rinse thoroughly. The processing time can influence the final shade. Do not use on eyelashes or eyebrows. Save time and effort: This men’s hair color shampoo allows for convenient at-home application, eliminating the need for frequent salon visits. The easy-to-follow design helps you achieve a natural, darker look for both beard and hair. Widely used: Apply as needed to maintain color between touch-ups. Suitable for all types of facial hair, including beards, mustaches, sideburns, and goatees. Ideal for covering regrowth. Always follow the instructions on the package and perform a skin allergy test 48 hours before each use.