Beard dye shampoo: This beard color shampoo is formulated to provide a natural-looking beard color, specifically designed for coarser facial hair. It effectively covers grey hair, leaving your beard looking thicker and fuller. Achieve a more youthful and well-groomed appearance. Gentle formula: Featuring a mild formula with natural plant-based dyes, this beard color shampoo delivers a natural, fuller look that closely matches real beard color. Results typically last 2–3 weeks. Discontinue use immediately if skin discoloration or signs of allergic reaction such as irritation or severe itching occur. For external use only. Easy to use: This beard darkening shampoo develops color in just 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 precise and mess-free use. Darken both beard and hair for a natural, fuller, and more defined look. Versatile application: Use as needed to maintain color between growth cycles. Suitable for all types of facial hair, including beards, mustaches, goatees, and sideburns. Ideal for regular touch-ups to maintain consistent color. Always follow the instructions provided and perform a skin allergy test 48 hours before each use.