The Wella Professionals Color Touch Emulsion 1.9%, 6 Vol Developer 1L will help you achieve fantastic hair color results, time after time. It's easy to use, with an emulsion formula that produces vibrant colors with superior fade resistance. Its 1.9% oxidative colorant provides up to 70% white hair coverage while its 6 Vol Developer allows for gentle processing. Get salon-quality results at home with Wella!