L'Oreal Paris Prodigy 2.1 Ash Black is a permanent oil hair color that offers ammonia-free hair dyeing. This innovative formula provides intense, long-lasting color while making hair up to 3 times shinier and visibly improving hair quality. Key features: • Ammonia-free formula • Permanent oil hair color • Ash Black shade (2.1) • Up to 100% grey coverage • Makes hair 3x shinier • Long-lasting intense color • Visibly improves hair quality This hair color is part of L'Oreal's Excellence Crème line, specifically designed to provide professional-quality results at home. The ash black shade 2.1 creates a cool-toned deep black color. The oil-based formula helps protect hair during the coloring process.