What it is: A smudge brush that blends colors, and diffuses smudge lines along the eye area with precision. What it does: Black Up’s Smudge Brush features a short brush head design that’s adapted to create a perfect smoky eye look. The high-end 100% synthetic bristles feature a soft, supple touch and deliver an even finish. It can be used with powder or cream eyeshadows and applied wet or dry. What else you need to know: black|Up is the French upscale beauty brand dedicated to women of color. The Paris-based line is known for its range of professional-quality makeup that is developed by women of color and answers the specific needs of darker skin tones. black|Up is the French upscale beauty brand dedicated to women of color. The Paris-based line is known for its range of professional-quality makeup that is developed by women of color and answers the specific needs of darker skintones.