Goldwell Colorance acid hair color was introduced by Goldwell in 1986. It was the first acidic hair color to contain an oxidative pigment that could develop in a non-alkaline environment. Colorance contains natural plant extracts and hydrolyzed wheat protein to protect and care for hair. Colorance delivers brilliant color the gentle way, to every clients hair. Colorance Demi-Permanent Hair Color.Colorance is the first demi-permanent hair color with IntraLipid- Technology that repairs the hair during the coloration service.