Wella Semi-Permanent Color Touch is the Number 1 Demi-Permanent colour from Wella Professionals. It's an ammonia-free gentle cream formula that provides excellent grey coverage, colour correction and natural colour enhancement. Shade Guide available. Light2Color Complex which enhances the colour of hair pigment by up to 57% whilst generating 63% more shine. Natural lipids leave hair in great condition to create brilliant shine and vibrant colour.