Yes, sunscreen really does protect the skin.
Sunscreen protects skin from harmful UV radiation, preventing sunburn, premature skin aging, and skin cancer.
It works according to their sun protection factor (SPF), which evaluates their effectiveness in blocking UVB rays, 30 blocking 97% and 50 blocking 98%
Apply sunscreen to exposed skin 30 minutes before outdoor activities, including face, neck, ears, and hands.
If you are sweating or swimming, reapply sunblock every two hours or more.
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