Mcobeauty Duo Brow Crayon + Highlighter Dark Brown 0.02oz Eyebrow Pencil The Mcobeauty Duo Brow Crayon + Highlighter is likely an eyebrow pencil that comes in a dark brown shade, which is a popular choice for defining and shaping eyebrows. Here's a general description of what you might expect from such a product: Brow Pencil: The brow pencil is a versatile tool for shaping and defining your eyebrows. It typically has a fine, retractable tip on one end, which can be used to fill in and create precise, hair-like strokes to enhance your eyebrow's shape and fullness. The dark brown shade is ideal for those with dark hair or for creating a more defined look.Highlighter: The other end of the duo product is a highlighter. This is usually a creamy or powder formula that is slightly lighter in color than your skin tone. It is designed to be applied just below the eyebrow arch to highlight and lift the brow area, making your eyebrows appear more defined and giving your eyes a subtle lift.Buildable Formula: These types of products typically have a buildable formula, allowing you to control the intensity of color and highlight. You can create a natural or bold look by adjusting the pressure you use during application.Long-Lasting: Good quality brow crayons are often long-lasting and smudge-resistant, ensuring that your brows stay in place throughout the day.Compact and Travel-Friendly: The compact design of a duo product makes it convenient to carry in your makeup bag for touch-ups on the go.