Sunscreen is a skincare product designed to protect the skin from the harmful effects of UV (ultraviolet) rays from the sun. It helps prevent sunburn, premature aging, and skin cancer. Sunscreens typically contain SPF (Sun Protection Factor), which measures the level of protection against UVB rays.
There are two main types of sunscreen:
- Chemical sunscreens: Absorb UV rays and convert them into heat, which is then released from the skin.
- Physical (mineral) sunscreens: Contain zinc oxide or titanium dioxide, which sit on top of the skin and reflect UV rays.
It’s important to apply sunscreen daily, even on cloudy days, and to reapply every two hours if you’re outdoors. A broad-spectrum sunscreen (protecting against both UVA and UVB rays) is ideal.
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