From lipstick to mascara, find out exactly when you should be replacing your favorite cosmetic items.
The reason: If you're really dilligent about cleaing your makeup sponges, then they can last up to a month. And even then they need to be washed after every use. Otherwise you should toss them after every application. Luckily, makeup sponges are pretty inexpensive at most drugstores.
Photo Credit: Getty Images/Steve Wisbauer