What it is: A fine, brush-tip liquid eyebrow pen that fills and defines brows with feather-like strokes for fuller-looking eyebrows with a smudge-resistant finish.Highlighted Ingredients: - Flow-Through Brush Applicator Tip: Creates hair-like strokes and a natural finish.- Copolymers: Trio of film formers for smudge-resistant long wear.- Superfine Pigments: Sheer pigments for a natural "hair-like" finish.Ingredient Callouts: Free of parabens, formaldehydes, formaldehyde-releasing agents, phthalates, mineral oil, retinyl palmitate, oxybenzone, coal tar, hydroquinone, sulfates SLS & SLES, triclocarban, triclosan, and contains less than one percent synthetic fragrance. It is also vegan, gluten-free, cruelty-free, and comes in recyclable packaging.What Else You Need to Know: This eyebrow pen uses superfine pigments to give a sheer tint and natural color to the eyebrows. The flexible brush draws precise feather-like strokes that look like hair to define the brow arch, extend the tail, and add depth to sparse areas. This pens also provides a smudge-resistant and long-wearing finish that lasts up to eight hours.