And no, your trusty lip balm isn’t the same thing—balm is great for hydration, but it can be too slippery, making lipstick wear off even faster. A good lip primer keeps your l ...

"So today, they made lip gloss, created a base, and then we utilized our current catalog," said Carissa Dowdy, a product formulation manager at Mary Kay. "They got to make real Mary Kay products ...