Wella Koleston 7 Supreme Hair Color Cream Kit In 4/15 Cool Evening Brown Is Specially Formulated For Mature Or Damaged Hair, Combining Rich Color Performance With Nourishing Care. This Advanced Formula Contains Ingredients Such As Phenylenediamines, Hydrogen Peroxide, And Argan Oil To Ensure Deep Color Penetration While Helping Maintain Hair Health. The Cool Brown Tone Provides A Refined, Elegant Finish While Neutralizing Unwanted Warmth. It Offers Complete Grey Coverage And Enhances Hair With A Smooth, Glossy Appearance. The Inclusion Of Argan Oil Helps Nourish And Protect Hair During The Coloring Process, Improving Softness And Manageability. The Kit Format Ensures Easy At-Home Application With Consistent Results. Ideal For Those Seeking A Cooler Brown Shade With Added Care Benefits And Long-Lasting Color Performance.