L’Oreal Paris Colorista lightening ombré, create the perfect base to follow with Colorista washout colour. Design your ombré look then follow with Colorista washout to play with pastel hair colours or leave as is for a seamlessly luminous look.Colorista DIY Lightening Kit to create Ombré effects in a stroke. The gentle formula lightens hair and the after-care conditioning formula nourishes hair.