As widespread heatwaves hit cities across the U.S., the best protection against the sun and UV rays is sunscreen. Every day, about 9,500 people are diagnosed with skin cancer in the United States, ...
Sunscreen is a second line of defense—after sun avoidance. The application amount and frequency matter more than SPF. Apply your first coat 15 to 20 minutes before sun exposure. Then apply your second ...
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