You spend time carefully applying your makeup every day, but somehow your foundation still looks like it’s just “sitting” on your skin—cakey, flaky, or oily by midday? Worse, your pores look more obvious than they did before makeup? Don’t blame your foundation just yet—the real issue might be what you’re skipping: primer. Primer is no longer just a “base layer.” It’s the essential bridge between skincare and foundation. Especially in the summer or for oily skin types, choosing the right primer for your skin can be the key to flawless, long-lasting makeup. 1. Poor Foundation Application? The Problem May Be Before the Foundation Many people skip primer and apply foundation…