Hair care Hair Coloring Goldwell Semi-Permanent Hair Coloring 3 10 200 ml Innovative technology for the best hair protection - without oxidation or ammonia. Delicate as a semi-permanent color, recommended for pregnant women and allergy sufferers (a preventive exam in a small area is always recommended). For extraordinary shine and long-lasting vibrant color intensity. Elumen works only with direct acid color pigments. Its unique and innovative penetration system ensures that pigments are transported and captured deep into the hair. This purely physical but highly effective principle works in an acidic environment and ensures a protected color process without compromising the durability and brilliance of the very bright color result!