You just spent the Fourth on a patio, a lake, a rooftop, a beach towel — SPF reapplied every two hours like a good patient. Good. Keep doing that. But here’s what you need to know about sunscreen: sunscreen is a shield, not a repair crew. It blocks radiation from hitting your skin. It does … Continue reading Summer Skin Protection: How to Protect Your Skin From the Damage Sunscreen Can’t Stop