Xuejiayan's temporary root-covering hair dye product is a small and portable product that quickly applies color with just a light swipe. It can rapidly cover gray hair and add color. You can use it to cover stray hairs, style sideburns, touch up roots, and even define your eyebrows, allowing you to change your hXuejiayan's temporary root-covering hair dye product is a small and portable product that quickly applies color with just a light swipe. It can rapidly cover gray hair and add color. You can use it to cover stray hairs, style sideburns, touch up roots, and even define your eyebrows, allowing you to chaXuejiayan's temporary root-covering hair dye product is a small and portable product that quickly applies color with just a light swipe. It can rapidly cover gray hair and add color. You can use it to cover stray hairs, style sideburns, touch up roots, and even define your eyebrows, allowing you to cXuejiayan's temporary root-covering hair dye product is a small and portable product that quickly applies color with just a light swipe. It can rapidly cover gray hair and add color. You can use it to cover stray hairs, style sideburns, touch up roots, and even define your eyebrows, allowing you to change your hair color as you wish.hange your hair color as you wish.nge your hair color as you wish.air color as you wish.