Nature's Minerals™ Foundation Brush $8.95 standard delivery. More information Unfortunately this item is no longer available for purchase. A high-density foundation brush, designed to ensure just the right amount of foundation is captured between the bristles, providing a smooth, even application. Our silky soft Nature's Minerals™ brushes are specially designed to pick up ultra-fine powder and distribute it evenly across the skin. What's more, they are made with animal-friendly synthetic bristles.