Wella Professionals Koleston Perfect 4/71 Medium Brown Ash Brown is a una permanent hair dye of 60 ml, ideal for those who want a rich, vibrant, and long-lasting color. Thanks to its advanced formula, it ensures una uniform coverage of gray hair and intense shine, while maintaining the natural softness of the hair. Perfect for achieving cool and sophisticated shades, this professional coloring offers precise and vibrant results, enhancing all hair types with a shiny and healthy-looking effect.