Sunscreen that includes zinc oxide, a common ingredient, loses much of its effectiveness and becomes toxic after two hours of exposure to ultraviolet radiation, according to scientists.
from Latest Science News -- ScienceDaily https://www.sciencedaily.com/releases/2021/10/211014100220.htm
from Latest Science News -- ScienceDaily https://www.sciencedaily.com/releases/2021/10/211014100220.htm
After two hours, sunscreens that include some zinc oxide can lose effectiveness, become toxic
![After two hours, sunscreens that include some zinc oxide can lose effectiveness, become toxic]()
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October 14, 2021
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