With world temperatures reaching record highs this summer, you may want to reconsider which sunscreen you are using, experts say. Sunscreens are not all the same. The two major types ¡ª mineral and chemical ¡ª handle the sun¡¯s ultraviolet (UV) rays differently, and during extremely hot weather, those differences can matter.
How do sunscreens work?
Mineral sunscreens contain zinc oxide or titanium dioxide. They create a barrier that reflects UV light before it penetrates the skin. Because mineral sunscreens aren¡¯t absorbed, older formulations often had a greasy feel and a white appearance.
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