253 likes, 23 comments - drsamanthaellis on June 1, 2020: "SPF 100. Worth it? 🔆 The short answer: Sometimes. When SPF 50 is accurately applied, it blocks 98% of UV light, while SPF 100 blocks 99%—so is SPF 100 adding much benefit? In theory, NO, but in reality, YES. This is because patients tend to under-apply and und…
