Goldwell System Oxygen 1000ml 30 VOL | 9% an indispensable product for professional hair oxygenation and lightening treatments. Thanks to its advanced formulation, it guarantees uniform and long-lasting results, keeping the hair fiber protected and healthy. Ideal for developing dyes and bleaches with an effective oxidizing action at 9%, it promotes lightening up to three tones without compromising the natural shine. The 1000ml package is perfect for continuous use in the salon, optimizing time and costs. Goldwell ensures superior quality and professional performance, making this oxygen the ideal choice for those seeking precision and reliability in color treatments.