Goldwell Topchic 6NN Dark Blonde Cool Violet Hair Color 250g is a professional-grade solution designed for achieving rich, long-lasting hair color results. This formula ensures excellent gray coverage and consistent color payoff. Ideal for professional salon use, this permanent hair color blends seamlessly with natural tones while delivering a sophisticated cool violet dimension to dark blonde shades. The high-performance system provides shine and optimal hair health maintenance during the coloring process.