Eyeshadow brushes are specialized tools designed for applying and blending eyeshadow on the eyelids. They come in various shapes and sizes, each serving a specific purpose, such as packing color, blending edges, or creating precise lines. Common types include flat brushes for applying color and fluffy brushes for blending. Using the right eyeshadow brush can enhance the application process, making it easier to achieve a professional look. Quality brushes are often made from synthetic or natural bristles, with synthetic options being more popular for their ease of cleaning and durability. Proper care of these brushes is essential for maintaining their performance.