Have you ever wondered if your sunscreen has an expiration date? You’re not alone. Many of us diligently apply sunscreen to protect our skin from harmful UV rays, but how often do we stop to think about its shelf life? If you're a skincare enthusiast, health-conscious individual, traveler, or eco-friendly consumer, understanding the ins and outs of sunscreen expiration is crucial.

I was the girl who would tan two times per day when I worked at a tanning salon in the midwest and also use baby oil to get as dark as possible in my summers in the Midwest. I was under the mindset that you didn’t need sun protection you just need a base tan and then you could keep going indefinately without sun protection.