Wella Koleston Supreme Hair Color Kit 4/6 Burgundy is a premium permanent hair dye that delivers rich, vibrant, and luxurious color while nourishing and protecting the hair. The 4/6 Burgundy shade offers a deep, dark burgundy tone with a cool undertone, perfect for those looking for a striking yet sophisticated color. This formula provides long-lasting results, complete gray coverage, and a smooth, shiny finish.