Post-Coloration Treatment Third step and prior to the styling, when the hair is already dry and prepared. Protects and enhances the results of oxidative colours (permanent and semi-permanent). Optimised for better use with Wella Professionals colouring lines. Neutralises oxidation residues and stabilises colour. Softens and brightens hair with vitamin E. How to use: Apply it to damp hair. Leave on for 3 to 5 minutes and rinse well. A Wella Professionals conditioner or treatment can then be applied.