Beard dye shampoo: This beard color shampoo provides a natural-looking result, formulated specifically for coarse facial hair to cover grey and enhance thickness and fullness. Achieve a more natural, fuller appearance with results that last 2-3 weeks. Gentle formula: Featuring a gentle blend with natural plant-based dyes, this beard color shampoo delivers a close-to-natural shade without harsh effects. Discontinue use immediately if skin irritation, discoloration, or allergic reactions such as discomfort or severe itching occur. For external use only. Easy to use: Achieve visible darkening in about 5 minutes. Simply mix the base and developer, apply evenly with the included brush, wait 5 minutes, then rinse thoroughly. Processing time can influence the final shade depth. Do not use on eyelashes or eyebrows. Save time and effort: Designed for at-home use, this men's hair color shampoo eliminates the need for salon visits. The convenient application helps you achieve a natural, darker look for both beard and hair. Widely used: Use as needed whenever grey regrowth appears. Suitable for all types of facial hair including beard, mustache, sideburns, goatee, and soul patch. Ideal for regular touch-ups to maintain a consistent, natural appearance.