Pro Brow Definer 1mm-Tip Brow Pencil, Onyx

Packed as a 1mm-tip brow pencil, MAC Cosmetics Pro Brow Definer in Onyx creates hairlike, ultra-precise strokes for shaping and defining sparse areas. The firm, glide-friendly core delivers buildable color with a natural matte finish, suited to users who prefer controlled application and detailed shaping over bold, blocky brows.