Developed for use with Urban Decay's Naked Skin Liquid Make up (but great for any liquid, cream or powder foundation), this cruelty free brush blends and buffs make up to a flawless finish. And it's vegan too. The densely packed shape of Urban Decay's Good Karma Optical Blurring Brush distributes product incredibly evenly. Skin looks smoother than it does when you apply foundation with a sponge...buffed to a natural, soft focus finish. The 'optical blurring' comes in when you buff out your make up: the shape works with light diffusing spheres in Naked Skin Liquid Make up to make skin appear even smoother—fine lines seem to disappear. (This is great news for everyone, but especially for those with mature skin craving a youthful finish.) Want to know why this brush works so well? Two things: The densely packed hairs pick up and distribute make up evenly and allow you to really buff the texture, while the domed, medium large shape maneuvers nicely around the face, so make up applies evenly under your eyes, around your nose and through the brow area. Urban Decay Good Karma Optical Blurring BrushSynthetic hair. Good Karma Optical Blurring brush