Anastasia Beverly Hills MicroStroke Detailing Brow Pen with 24-Hour Wear Shade Ebony Brand new never opened or used What it is: A long-wearing, micro-fine detailing pen to create realistic, hair-like strokes for full, defined brows with a natural finish that last up to 24 hours. Ingredient Callouts: Free of parabens, phthalates, and contains less than one percent synthetic fragrance. It is also cruelty-free.