This is a professional formulation by L'Oreal Professional, part of the INOA line, designed for permanent hair coloring. It delivers exceptional color results with optimized coverage and shine. INOA technology offers a significant advantage by using an oil-based, ammonia-free formula. This approach ensures a comfortable application experience while respecting the hair fiber. It is ideal for achieving precise and vibrant shades like Light Extra Red Copper Brown, providing excellent longevity and uniform color distribution from root to tip.