SPF for lips—Necessity or extra? I spend countless hours researching skincare products but it never occurred to me to consider taking care of my lips until a colleague at work mentioned it. “Two weeks ago, I discovered a sunspot on my lip!” she exclaimed. That was all she needed to say to bring me down the rabbit hole of lip care, specifically SPF-related. Here’s what I learned: Losing Elasticity According to the American Academy of Dermatology (AAD), going sans SPF…