Step 6. Use a small brush and apply the black outlines and accent marks. One trick to make the black flow smoothly is to heat it. By using a hair dryer on hot, you can get the make-up to almost a water consistency making it much easier to apply. BE CAREFUL IT IS NOW HOT OIL that you will be applying! Next, use the brush around the mouth area, then your finger to apply the rest of the black beard.