In the depths of winter, sunscreen might not be top of many people’s shopping lists. Yet it remains a staple in most households, and many of us are encouraged to use it year-round. But sunscreen’s history reveals more than just…

In the depths of winter, sunscreen might not be top of many people’s shopping lists. Yet it remains a staple in most households, and many of us are encouraged to use it year-round. But sunscreen’s history reveals more than just…