Achieve a perfect result for your hair colour. The Wella Professionals Welloxon Perfect activating emulsion acts as an oxidising agent, i.e. as an oxidising agent during colouring. Its use in the right proportion with permanent colour ensures una even coverage, helping to make the tone and shine of the final hair colour noticeably more intense. It therefore allows you to achieve una a more striking colour and, thanks to its effect on the consistency of the colour mixture, also offers more precise application.