Here comes summer and sun - and hopefully sunscreens. You might not have thought “What a medical breakthrough!” when you bought your current bottle of water-resistant SPF. And yes, using sunscreen daily is still a chore, especially when it’s the…

Here comes summer and sun - and hopefully sunscreens. You might not have thought “What a medical breakthrough!” when you bought your current bottle of water-resistant SPF. And yes, using sunscreen daily is still a chore, especially when it’s the…