Fuller, fluffier... fast! Ultra-fine, brush-stroke brows in an instant.  Your best, boldest brows are seconds away with Revolution's Instant Brow Hair Pen, the ultimate tool built with a six-pronged precision applicator for effortless hair-like strokes.  This fuss-free application is perfect for filling in any sparse areas and gaps in the brows while also adding definition with fine single strokes.  Aqua (Water), Butylene Glycol, PEG-60 Hydrogenated Castor Oil, Styrene/Acrylates/Ammonium Methacrylate Copolymer, Coco-Glucoside, Citric Acid, Sodium Laureth-12 Sulfate, Ammonium Hydroxide.A UK-based beauty company known for being cruelty-free, inclusive, and offering fast-to-market, affordable makeup, skincare, and hair products.Use the fine-tipped applicator to draw short, hair-like strokes in the direction of natural hair growth to fill in sparse areas and define the brow shape.For external use only. Avoid direct eye contact. Discontinue use if irritation occurs.