?Facial Gray Hair Coverage for Mustache, Beard, Sideburns?The black beard dye shampoo for men is designed to cover facial gray hair in 5 minutes(5-10 minutes for stubborn gray hair), and makes you look younger and more refreshed. Unlike other dyes, it restores your natural beard color, thicker and fuller look, and very easy to use. Additional Details ------------------------------ Bullet point: 【Facial Gray Hair Coverage for Mustache, Beard, Sideburns】The black beard dye shampoo for men is designed to cover facial gray hair in 5 minutes(5-10 minutes for stubborn gray hair), and makes you look younger and more refreshed. Unlike other dyes, it restores your natural beard color, thicker and fuller look, and very easy to use. Product description: 【Facial Gray Hair Coverage for Mustache, Beard, Sideburns】The black beard dye shampoo for men is designed to cover facial gray hair in 5 minutes(5-10 minutes for stubborn gray hair), and makes you look younger and more refreshed. Unlike other dyes, it restores your natural beard color, thicker and fuller look, and very easy to use.