This is the Mulac Cosmetics Definer Brush 08, a flat definition brush designed for professional and precise application of cosmetic products. Its dense, firm bristles ensure excellent product pickup and control, allowing for seamless blending and detailed contouring. Crafted with vegan materials, this tool is ideal for achieving both natural and high-definition makeup looks. The ergonomic handle provides a comfortable and steady grip for detailed work, making it an essential component for any makeup kit.