Instant Coconut Black Hair Shampoo for Gray Hair - Herbal Black Hair Dye Shampoo 3 in 1 for Women and Men, Black Hair Dye Black Shampoo 16.90 FL OZ - Safe to Use & Long Time Color Lasting Black Hair Color Shampoo Additional Details ------------------------------ Bullet point: INSTANT BLACK HAIR SHAMPOO FOR GRAY HAIR: Fvquhvo Black hair shampoo is designed for gray hair coverage, can blend away your gray hair in 10-15 minutes( 15-25 minutes for stubborn gray hair),creates you a younger and vigorous look. Your great choice for hair color solution !