31. You can wear concealer without foundation. 32. Concealer is commonly used by men.33. Concealer , in a variety of forms, can be found with the other make up.34. Girls would apply white lipstick over pink lipstick or place under-eye concealer on their lips. 35. Here, it is placed within the subfamily Oecophorinae of the concealer moth family ( Oecophoridae ). 36. "If you have flaws, treat them separately " with a concealer , Mercier says. 37. Apply the concealer right on top, not only on the edges, and blend it into the foundation. 38. In most cases, women apply too much concealer , bringing attention to an area they want to mask. 39. The first commercially available concealer was Max Factor's " Erace ", launched in 1954. 40. Baking can also be used as a form of powder or concealer can counteract the darkness around the eyes.