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. What Else You Need to Know: . With balanced ink flow, a comfortable grip, and a sleek design, this innovative pen delivers effortless precision for all skill levels. Create your custom brow look with the thin 0.1 millimeter brush tip and a built-in spoolie brush that lets you seamlessly blend as you go for natural, fuller-looking brows. Size: 0.011 OZ. Color: Blonde. Gender: unisex. Age Group: adult. Material: NONE.