While makeup primer might seem like a bonus step, if you're prone to afternoon (or morning!) shine, it's time to consider making the extra effort. Not only will one of these best primers for oily skin help keep shine in check all day and minimize the appearance of pores, it can also help any makeup you put on afterwards last way longer. They're basically the key to preventing summer makeup meltdowns. Any one of these best primers for oily skin are guaranteed to be a serious game changer for you.