Gocare Permanent Color Cream has a unique color-fixing and conditioning formula with low ammonia content and 100% coverage of grey hair which gives hair a natural, pliant look after dyeing, and provides a long-lasting and shining colored effect. Wide color choice with a lot of mix-tones to create brilliant colors. Usage: 1. Mix with Gocare Developer at the ratio of 1: 1, for shades higher than 8th level, the suggested ratio is 1: 1.5. 2. Leave on the hair for 30 minutes. Gocare color line is a Professional Permanent hair color line, including hair color cream(81 color shades), peroxide developer cream(4 kinds vol), color chart, bleaching powder, 100% gray coverage, low ammonia, for professional and salon use only.