What do the + signs even mean? Well, you should always be diving deep into sunscreen for the sake of keeping your skin safe all year round. By now, we all know sunscreen isn’t only for the beach, right?! I know that SPF “sun protection factor” measures how long sunscreen can protect you from UVB. And PA “protection grade of UVA” measures the protection level against UVA. And I know that the difference between SPF30 and SPF50 isn’t as significant…
