If you wear makeup, then you probably know about primer, the product you can apply to your skin before makeup that helps the makeup stay and also helps protect the skin. Plenty of brands sell primer as a complete product ready to be purchased at the store or online, but we have a little secret: you don’t have to use primer! You can still get all the benefits of wearing primer by using a skincare product in its place. So why would you want to do that? First, why spend money on