A cosmetic brush is a tool used for applying makeup products to the skin. These brushes come in various shapes and sizes, each designed for specific tasks, such as applying foundation, blush, or eyeshadow. Made from synthetic or natural bristles, they help achieve a smooth and even application, enhancing the overall look. Using a cosmetic brush can improve makeup application techniques, allowing for better blending and precision. Regular cleaning of brushes is essential to maintain hygiene and prevent the buildup of bacteria, which can lead to skin issues. Proper care extends the life of the brushes and ensures optimal performance.