Do you want to give your hair una rich but still color tone naturale and at the same time tempo How to hide gray hair perfectly? Then professional, permanent hair dye is a great choice. Wella Professionals Koleston Perfect ME+ Rich Naturals is made especially for you. Thanks to its unique composition with ME+ and Pure technologies, Balance, you won't even have to worry about damaging your hair fibers or una allergic reaction during the dyeing process.