6/4, Wella Koleston Perfect Permanent Hair Color 2 oz + Beauty Pro Brush

Koleston Perfect delivers vibrant, long-lasting color with up to 100% gray coverage while helping to protect hair from metal-induced damage. Infused with Metal Purifier and ME+ Dye Technology, this revolutionary permanent color provides rich, true-to-tone results with significantly less hair damage over time. With a wide range of over 100 shades and a formula made from up to 85% naturally derived ingredients, it's a professional favorite trusted worldwide.