Wella Professionals Welloxon Perfect 12% 40 Volume Creme Developer 1000ml 150°C 179°C This combination allows barbers to GMT904GR This combination allows barbers to remove bulk efficiently while maintaining the ability to create soft Enjoy absolute toning possibilities after every morning shaves with one of the best aftershave brands Select this developer only when the current directions for the chosen Wella colour or lightener specify that this strength is appropriate Wella Professionals Welloxon Perfect 12% 40 Volume Creme Developer 1000ml is a professional cream developer designed as a partner for compatible Wella Professionals permanent colours and lighteners