Is SPF 50 really better than SPF 30? Let’s break it down 👇 As a board-certified dermatologist, I get this question all the time. The short answer? SPF 30 blocks about 97% of UVB rays. SPF 50? About 98%. That’s just a 1% difference. So does that mean SPF 30 is enough? For most people, yes. Especially if you're applying it generously and reapplying every 2 hours. But here's the catch: most of us don’t. 🙃 That’s why I personally reach for SPF 50, especially if: • I’m headed to the beach • I know