The MAC Pro Brow Definer offers precision control for shaping and filling in eyebrows. Its ultra-fine, retractable 1mm tip allows for hair-like strokes, ensuring a natural yet defined look with ease of application. This pencil delivers buildable color intensity, making it perfect for creating soft definition or achieving dramatically sculpted brows. The long-wearing formula ensures your look stays flawless throughout the day without smudging or fading.