There’s a group of haters who claim eyeshadow primers are just a scam sold by cosmetics companies that want your money. Well, let them think whatever they want while their eyeshadow is creasing, fading and disappearing after an hour or so. Those with oily lids are most affected as even the highest quality eyeshadows lose the battle against oil. Eye primers will prevent this from happening along with increasing the color pay off of your favorite eyeshadows. We tested a new eyeshadow primer every day of the month, to come up with a list of the only ones worth buying.