To tackle under your eyes, use a concealer brush to pat a small amount on, blending it out gently. If you’re covering dark circles, apply the concealer in a v-shape beneath your eye. When it comes to spots and blemishes, ensure your skin is moisturized, dab the concealer right on the spot, and blend outward. You can finish by setting it with powder. Finally, for concealing scars, start with a good primer to help fill out any uneven surface area. Then, use a matte concealer and a fine-tipped brush to blend the product out.