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 hairs, giving the beard a fuller and thicker appearance. Gentle formula: The beard color shampoo uses a gentle formula with natural plant-based dyes to achieve a more 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: This beard darkening shampoo develops color in about 5 minutes. Mix the base and developer, apply evenly with the included brush, wait 5 minutes, then rinse thoroughly. Processing time can influence the final shade. Do not use on eyelashes or eyebrows. Save time and money: Achieve professional-looking results at home without the need for salon visits. The convenient application design allows for easy, mess-free use. Helps darken both beard and hair for a natural, fuller appearance. Widely used: Apply as needed to maintain color between growth cycles. Suitable for all types of facial hair, including beards, mustaches, goatees, and sideburns. Ideal for touch-ups. Always follow the instructions on the packaging and perform a skin allergy test 48 hours before each use.