The Precision Concealer Makeup Brush EcoTools It is designed for una coverage naturale and flawless on the most difficult areas of the face. | Our small concealer brush is made with dense bristles that allow you to precisely apply and cover under the eyes, around the nose, and on any imperfections. This makeup brush works best with liquid, cream, and stick concealers. EcoTools rounded out the brushes needed to enhance your side naturale. Superior performance, yields in modo Sustainable. Our makeup brushes are made with 100% renewable bamboo handles, aluminum ferrules, and soft synthetic bristles.