Schwarzkopf Professional Igora Royal Oil Developer 6% 1000ml is a professional oil-enhanced developer created to deliver consistent colour activation, reliable lift and long-lasting results when used with Igora Royal permanent hair colour. This 6% (20 vol) developer is ideal for full coverage colouring, root regrowth applications and improved grey coverage, helping pigments develop evenly for a rich, vibrant finish. The oil-based technology supports smooth application and better colour penetration while helping protect hair softness and shine throughout the colouring process. Its creamy consistency mixes easily and spreads evenly through the hair, ensuring dependable processing from root to tip with reduced dryness and improved comfort. Supplied in a generous 1000ml bottle, Igora Royal Oil Developer 6% is a salon essential for professional colourists seeking reliable performance with a glossy, conditioned result.