A blending brush is a makeup tool designed to seamlessly mix and diffuse colors, particularly in eyeshadow application. Its soft bristles help create a smooth transition between different shades, preventing harsh lines and ensuring a polished look. Blending brushes come in various shapes and sizes, catering to different makeup techniques and preferences. Using a blending brush can enhance the overall appearance of eye makeup by softening edges and creating depth. Many makeup artists and enthusiasts rely on this tool to achieve professional-looking results. Proper care and cleaning of the brush are essential for maintaining its effectiveness and longevity.