Ecocolors Home Kits are designed for gray coverage. A full ingredient listing is located at www.ecocolors.net EcoColors is a permanent low ammonia, ppd free oxidative haircolor. EcoColors does not contain toxic amounts of any ingredient. The professional line is formulated with stylists in mind. It comes with 24 colors and 4 developers and is only for licensed professionals. The professional high lift line has the capability of lightening up to 4 levels.