Brow Definer Brow Definer Anastasia Beverly Hills Brow Definer is an all-in-one triangular-tipped retractable pencil that features three distinct sides for defining, filling and detailing brows. The unique formula features the perfect balance of wax and pigment for easy blending and application without skipping. The soft, custom spoolie end is specifically designed to seamlessly blend color into brow hairs to deliver a natural-looking finish.. In Ash Brown - for grey hair with cool/ash undertones. Cruelty-free. Free of Parabens, Sulfates and Phthalates. 0.007 oz/ 0.2 g. Use the flat side for shading and outlining the brows. Use the medium side to fill and define. Use the fine tip to create hair-like detail. ABEV-WU100. ABH01-04411. Entrepreneur and industry icon Anastasia Soare launched her namesake brand with a Beverly Hills flagship salon in 1997 and the company's first product line in 2000. Rooted in the sacred geometry of the Golden Ratio, ABH creates prestige cosmetics for a passionate prosumer audience. ABH focuses on product education, artistry, and responsiveness in delivering the ultimate polished look for which the brand is known for, and is committed to cruelty-free product formulation, testing, and development.