As the days heat up, Hot Vax Summer is beckoning us to sprawl out with our friends by the pool, on the lawn, and wherever else we used to gather in the Before Time. But if we don’t want these long-awaited reunions leaving us with lovely, lobster-hued sunburns — which, yes, even the darker-skinned among us are susceptible to — not to mention a higher risk of skin cancer, then we’ll need to slather on the SPF. Not everyone can rely on this standard form of protection, though, specifically people who have a sunscreen allergy. Yes, you can be allergic to sunscreen. To read the full story.