You know this by now: Sunscreen isn’t just for lounging poolside or cruising in convertibles. Those harmful UV rays penetrate office windows, waging a year-round assault. And we’re not just talking wrinkles and dark spots—sun damage is serious cellular devastation that leads to deadly skin cancers. The stats are sobering. The Skin Cancer Foundation reports over 5.4 million non-melanoma skin cancer cases in 3.3 million Americans last year alone. With one in five developing it annually, it’s the most preventable form.