1. Not matching your foundation shade to the skin on your neck Foundation is supposed to create a perfect, smooth complexion and cover up any imperfections. This is why you should always use a foundation which blends in with your skin on your jawline or neck. 2. Applying makeup on dry and flaky skin The makeup will not blend perfectly on dry and flaky skin. Fix the dryness by exfoliating regularly (to get rid of flakes) and following that up with a rich moisturizer. Smoother skin means a much smoother application and finished look. 3. Using under-eye concealer that’s lighter than your skin color A concealer that’s lighter than your foundation or natural skin color ( if you don't wear foundation) will brighten the under-eye area creating a strong, distracting contrast. So choose a concealer that is same shade as your foundation or your skin tone. 4. Wearing Dark Lipsticks on Thin Lips Dark colors make already-small lips dwindle. Brighter, richer ...