Discover NYX Professional Makeup Thick It. Stick It! Brow Mascara. Stick it to 'em using the 1st vegan brow mascara! It's infused with ultra-buildable, tinted, and hair-like plant-origin fibers for 16-hour wear. 8 inclusive shades with mess-resistant application instantly tame and style your brows from thick to thicker to thickest! Your new go-to for easy to use, precise application that gives a natural tint and thickening effect. Flake, smudge, and transfer resistant so you can thick it, stick it, and take on the day. Natural-finish shades and hair-like fibres take brows to the next level with each layer.