Wella Koleston Maxi Hair Color 309/0 Extra Light Blonde is a premium permanent hair dye designed to deliver a beautiful, cool-toned blonde shade with exceptional brightness and depth. The 309/0 Extra Light Blonde offers an ultra-light blonde color that is ideal for those seeking a light, cool blonde look with a natural, radiant finish. This formula provides complete gray coverage, long-lasting results, and nourishes the hair while coloring.