Schwarzkopf Professional Igora Royal Oil Developer 9% 1000ml is a professional oil-enhanced developer designed to deliver stronger lift and reliable colour activation when used with Igora Royal permanent hair colour. This 9% (30 vol) developer is ideal for brighter results, increased lift and more noticeable colour change, making it perfect for lightening natural bases and creating higher-impact colour services. The oil-based technology supports smooth mixing and application while helping maintain hair softness and shine during the colouring process. Its creamy consistency ensures even distribution and consistent saturation from root to tip, promoting dependable processing and vibrant, salon-quality colour results. Supplied in a large 1000ml bottle, Igora Royal Oil Developer 9% is a cost-effective essential for busy salons and professional colourists who demand performance, control and beautiful colour outcomes.