Goldwell Topchic Professional Hair Color is the "Winner Of The Stylist Choice Award" for best professional hair color. Achieve your target color every time with Topchic. Topchic is the permanent alkaline hair color for superb color results. Infused with hydrolyzed wheat protein and panthenol to add strength and shine to hair. Impeccable quality. Durable color. Get the desired effect. Accurate. Formulated with Color Link, a patented technology that allows color molecules to "link" together. Its Patented Penetration System ensures even pigment distribution from scalp to ends. Total coverage. Precision in measurement. Tools designed for predictability. All Goldwell hair color is aligned with the Goldwell Master Palette. The Color Depot System guarantees exact dispensing and mixing. Unique to Goldwell products. Exceptional results for you. Right on target. Goldwell Canisters must be used with Goldwell"s Measuring Bowl to dispense color from canister. The color names of these Goldwell Topchic color codes can be found at the following link: Goldwell Color Chart .