Sneak Peek – MAC Cosmetics Press On Nails. It’s no secret that press on nails are back, and many companies are diving in on the trend. Recently on Style.com’s Twitter timeline, they showed us a few colors from the Press On Nails collection that Mac will be featuring from their brand this summer. They’re set to hit stores this June. Of course much like all of Mac products, they look fab! Check out this sneak peek photo below, and more info to come in the next few weeks!