MAC Pro Brow Definer 1mm Onyx delivers salon-precision shaping with a superfine 1mm tip that mimics natural hair strokes for refined, long-lasting definition. Ideal for creating both subtle fills and bold, structured brows, this ultra-slim pencil provides exceptional control and a clean, polished finish. The rich Onyx shade offers deep, neutral color for defining dark brows or creating contrast on lighter hair.

Lightweight and professional-grade, the pencil contains 0.03 g of product in a sleek, travel-friendly format. Its formula glides smoothly without tugging, allowing for precise application along the arch and tail. Designed for ease of use, the pencil helps sculpt, fill and define with minimal effort, delivering a natural look whether used alone or alongside powders and gels.

Key benefits:

• Precise 1mm tip for hair-like strokes and detailed shaping
• Professional finish that blends seamlessly for natural-looking brows
• Compact, lightweight design for on-the-go touch-ups
• Rich Onyx pigment for strong, long-wearing definition
• Suitable for everyday wear or special-occasion makeup

MAC Cosmetics Pro Brow Definer is part of the Pro Brow Definer line and is intended for those seeking a refined, expertly defined eyebrow look. This product is formulated for ease of use by both professional makeup artists and beauty enthusiasts aiming for precise, repeatable results.