Fangrui Product Details Effectively Cover Grey Hair: Black Hair Shampoo Is Designed For Grey Hair Coverage, It Can Hide All Your Grey Hair In 10-15 Minutes (15-25 Minutes For Stubborn Grey Hair), Makes You Younger And Vigorous. Suitable For All Types Of Hair. Black Hair Dye Shampoo 3 In 1: Different From Traditional Hair Dye, This Black Hair Dye Shampoo Can Not Only Work As A Black Hair Dye, But Also As A Hair Shampoo And Hair Conditioner. We Can Do Hair Colour And Hair Care At The Same Time, Our Hair Dye Shampoo Is Ammonia & Parabens Free, Easy To Use. Long-lasting Black Shampoo: 16.90 Fl Oz Black Shampoo Is For About 10-15 Applications, Very Economical. What Is More, The Natural Black Hair Colour Can Take Up To 3-4 Weeks Until Grey Shows. The Hair Colour Shampoo Only Hangs On The Surface Of The Hair Shell, Much Safer For Your Hair As Well As For Your Skin. Upgrade Natural Plant Ingredients: Black Hair Dye Shampoo Contains A Variety Of Plant Formulas, No Need To Worry About Damaging Your Hair. Polygonum Multiflorum Can Treat The Hair, Make The Hair Strong And Soft. Ginseng Extracts Nourish The Hair Silk, Make The Hair Dark And Shiny. Sesame With Active Ingredient That Makes Your Hair Shiny More Black. Easy And Quick To Use: No More Hair Dye Kit. Simply Wear The Gloves (included In The Package), And Apply The Black Hair Dye Shampoo To Dry Hair, Rub It Evenly For 5 Minutes, And Hold It For 10-15 Minutes, Then Wash It. It Is Very Quick And Easy To Get Black Shiny Hair, Save Time And Money. (warm Note): Do A Skin Test Before First Use.