To protect against both UVA and UVB rays, make sure you choose a broad spectrum sunscreen, and other measures of sun protection such as sun protective clothing, hats, sunglasses, and seek shade.
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SPF (Sun Protection Factor) only represents the protection from UVB (burning) rays. NOT UVA (aging and tanning rays)
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UVA rays are long-rage rays which penetrate deep within the skin’s surface and cause aging and tanning.
UVB rays are short-range rays which burn the skin’s outer layer.
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