The Matrix SoColor Pre-Bonded Permanent Blended Collection Cream Haircolor 4NW 4.0 is a high-quality hair color cream specifically designed for long-lasting, intense colors. With its Pre-Bonded technology, it protects the hair during the coloring process and ensures even coverage. The color 4NW 4.0 offers a natural, warm brown shade that is ideal for a subtle lightening effect. This permanent hair color is part of the Blended Collection, which represents a harmonious color blend. Perfect for anyone looking to achieve a professional coloring result at home.