Zinc oxide helps protect the lifeguards from damaging UV sunlight. How does this cream protect from the UV rays of the Sun?

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asked Oct 1, 2018 65.3k views

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Laurisvr · Answer 1 · 2018-10-06T14:50:09+0000

it reflects sunlight. It's a physical barrier (in comparison to some sunscreens which are chemical blocks). Sunlight is mostly white light and zinc oxide reflects white light

Zinc oxide helps protect the lifeguards from damaging UV sunlight. How does this cream protect from the UV rays of the Sun?

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