Goldwell Elumen is a hair colour that illuminates the hair from the inside out and thus achieves incomparable, long-lasting colour results. The high-performance hair colour is oxidation-free. Elumen is ammonia-free, peroxide-free, non-oxidising and therefore gentle on the hair. It ensures breathtaking colour brilliance with razor-sharp, brilliant colours. The result is outstanding shine and exceptional durability, leaving hair looking healthy. Through a physical effect, the intense Elumen pigments are infiltrated deep into the hair and permanently anchored. Application: No developer is necessary. You just need to know how direct colour works. Everything else is up to your creativity. Trust your own abilities and follow your instincts. You decide what is possible. Tip: Use colour toning after lightening to ensure an even colour result and counteract unwanted reflections. Result: Incomparable intensive colour results with exceptional durability. Warning: The use of this product requires professional expertise.