A report, recently released by Friends of the Earth, Consumers Union and the International Center for Technology Assessment (ICTA), says consumers should be wary of sunscreens that contain nanomaterials.
Engineered nanomaterials are commonly used in sunscreens to make sun-blocking ingredients like titanium dioxide and zinc oxide clear instead of white. According to the report, data suggests that the small size of nanomaterials gives them the ability to enter the lungs, pass through cell membranes and possibly penetrate damaged or sun-burnt skin.
Source:
Friends of the Earth: Nano-Sunscreens: Not Worth The Risk
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