An SPF 30 allows about 3 percent of UVB rays to hit your skin. An SPF of 50 allows about 2 percent of those rays through. That may seem like a small difference until you realize that the SPF 30 is allowing 50 percent more UV radiation onto your skin.
Welcome to LloydsPharmacy Ireland online. We're sorry but it seems that you are using an unsupported browser.
You can download an updated browser below. We're looking forward to your online visit.