Black and Brown Hair Dye Cream for Men and Women, Natural, Free from Traditional Ammonia by Reborn Beauty. Cream 500 ml + Developer 500 ml : Ammonia-free permanent hair dye with a gentle formula containing apple extract, providing a natural black color with full gray coverage. Suitable for home and professional use, and comes in an economical pack of 500 ml for both cream and developer. Features : Ammonia-free, reducing scalp irritation 100% full gray coverage Nourishing formula containing apple extract Pleasant and non-irritating fragrance Suitable for home and professional use How to use : Mix an equal amount of dye cream and developer in a 1:1 ratio. Apply the mixture to dry, unwashed hair, starting from the roots to the ends. Leave the dye on for 30 to 45 minutes depending on the desired color intensity. Rinse hair thoroughly with water and use a suitable conditioner. Warnings : Avoid contact with eyes, and if it occurs, rinse immediately with water. Do not use the dye on eyebrows or eyelashes.