Achieve rich, long-lasting color with Schwarzkopf Professional Igora Royal 4-0 Permanent Hair Color. This high-performance formula provides intense, even coverage with a natural-looking result. Ideal for professional use, the 60 ml tube offers plenty of product for precise application. The ammonia-based formula ensures deep penetration and vibrant, fade-resistant color. Perfect for covering gray hair or refreshing your shade, this hair dye seamlessly blends for a flawless finish. Trust Schwarzkopf's expertise for salon-quality color at home.