The ingredients contain the precious compound amino acid and protein.No ammonia is contained,so our hair dye is mild without any irritant and can make your hair tender and glossy after dyeing.The hair dye is based on these three primary colors red,yellow,and blue.Its color is so bright and stable that it is not easy to fade away.We have completed color series,including 10 kinds of color series,and 57 kinds of color tone.The accurate percentage of dioxide lotion (6%,9%,10% and 12%) can control the dyeing effect.Our hair dye can cover over your gray hair completely.The ratio of mixlure 1+1 (60ml hair dye + 60ml dioxide lotion).(100ml).Made in TAIWAN.