A blush brush is a makeup tool specifically designed for applying blush to the cheeks. It typically features soft, fluffy bristles that help distribute the product evenly, creating a natural-looking flush. Blush brushes come in various shapes and sizes, allowing users to choose one that best fits their application style and face shape. When selecting a blush brush, consider the bristle material, which can be synthetic or natural. Synthetic brushes are often easier to clean, while natural bristles may provide a softer finish. Proper care and cleaning of blush brushes can extend their lifespan and maintain their performance.