Recv (1) brush and (1) 0.11 oz. Liquid Filter Serum Swirl Blush With Niacinamide. The whipped, dreamy formula is your one step skin filter! Works to immediately blur the appearance of skin texture. Provides a flush of seamless color. This skincare-with-coverage serum will give you filter-like skin! Melts into skin, providing the perfect watercolor blush application. Tap and blend with fingertips onto cheeks. Tip: Use a brush for a more diffused effect, layer for bolder color.