Color Touch is a low commitment, ammonia-free, multi-dimensional demi-permanent hair color for clients who like to change their tone more often. Get real, natural hair color results with Wella Professionals Color Touch Pure Naturals demi-permanent hair color. Color Touch was developed to match the Koleston Perfect shade palette and allow for quick, low-maintenance color changes. This demi-permanent, ammonia-free color formula is enhanced with keratin and provides high shine and genuine, natural hair color results.