Changes up your hair colour temporarily The Wella Color Fresh Mask is a nourishing all-rounder that revives existing hair colours or gives your hair a new, fresh colour. It is gentle on the hair whilst nourishing it with argan oil. For added moisture, brilliant shine and silky smoothness. It is a quick and easy alternative for effortless hair colour revival or changing up your hair colour temporarily. The colour outcome lasts for up to 8 washes. Application: Wash and towel-dry the hair. Place the desired amount of Wella Color Fresh Mask in a tinting tray and put on gloves. Apply the mask with a tinting brush, combing the product through the hair evenly. Leave on for 10 minutes then rinse with water. There is no need to condition or treat the hair thereafter.