MAC Pro Brow Definer Pencil with 1mm Tip – Fling

Precision Meets Natural Definition

The MAC Pro Brow Definer Pencil with a 1mm tip makes it easy to craft hair-like strokes that mirror real brows. The result is a natural, believable shape with a rich, true color payoff that lasts through the day with confidence.

Designed for long wear, this pencil resists smudging and water, helping brows stay put through busy mornings and changing temps. The formula works with your routine, whether you’re rushing between meetings or stepping out after a workout.

Key benefits at a glance

• 1mm tip enables precise, hair-like strokes for a natural definition
• Rich, authentic color payoff that builds from soft to more defined looks
• Smudge-proof and waterproof wear for up to 24 hours
• Castor oil infusion to condition brows and support a smoother feel

Real-life use cases

Gently map the arches for a subtle daytime vibe, then deepen the line for a more defined evening look. The pencil glides with minimal pressure, making it ideal for quick routines and on-the-go touch-ups.

• Effortless daily definition that resembles natural brow hairs
• Consistent wear through humidity, commute, or long workdays
• Powder-like finish without a heavy or cakey feel

For best results, pair with a clear or tinted brow gel to set the shape, or layer with a brow powder for extra depth. The 1mm tip keeps lines crisp while allowing room for blending and refining as needed.