Goldwell System Developer 1000ml 20 VOL | 6% is a professional product designed to ensure uniform and long-lasting results in hair treatment. Its balanced formula effectively supports the oxidation necessary for coloring, offering una an optimal blend of strength and gentleness. Ideal for use with Goldwell dyes, it develops color evenly, enhancing the brilliance and coverage of gray hair. Thanks to the 6% concentration, it ensures controlled oxidation, minimizing damage to the struttura hair fiber and keeping hair soft and shiny. Perfect for salons and industry professionals, this developer promotes professional and highly customizable results, helping to create intense and long-lasting looks with ease.