Experience salon-quality results with Matrix SoColor 4NN (Dark Brown Natural Intense). This pre-bonded permanent hair color provides rich, even tones and exceptional grey coverage. Infused with conditioning agents and bond-protect technology, it nourishes the hair while coloring, ensuring a smooth, glossy finish and long-lasting color vibrancy. Perfect for achieving a deep, natural dark brown look that enhances your overall style. ✨ Key Benefits: 100% grey coverage with intense, natural-looking results Pre-bonded formula protects and strengthens hair bonds Long-lasting, fade-resistant color for up to 8 weeks Smooth, shiny, and soft finish post-application Suitable for all hair types and professional salon use