Goldwell Topchic guarantees intense colours and optimum results across the entire product spectrum with 100% grey coverage. Topchic is the first cool range on the professional hair colour market to stay cool over time thanks to its innovative CoolProtect Technology. It’s built in equaliser system helps create beautiful even colour results from regrowth to ends and it’s patented Coenzyme Technology and creamy smooth lotion with IntraLipid guarantees 100% performance with the best possible protection for hair. Benefits of Cans: The Goldwell Topchic Can system is more economical as it's easier to mix and apply meaning less wastage. The can system allows for clean easy and precise handling. For best results use with Goldwell Topchic Developer.