What does SPF mean?
SPF (Sun Protection Factor) is a measure that indicates how much longer your skin can withstand ultraviolet B (UVB) radiation, the kind that causes sunburn, compared to not using sunscreen. A higher number (like SPF 30 or 50) means it blocks a greater percentage of UVB rays and protects you for a longer period, although it's always crucial to reapply every few hours to maintain effectiveness.
To choose the right SPF, you should consider your skin type and the UV index of the area you'll be exposed to.
Sun protection not only prevents sunburn and redness but also reduces the risk of premature aging and skin cancer (UV radiation damages skin cells).
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