It isn't clear whether nanotechnology is safe for it isn't regulated and has not been researched. The micro sized particles can enter the body. When they are embedded in a product are they getting into humans either immediately after the product is made or after normal wear and tear when finishes can be broken down. Are products made with nano particles safe for humans? Are particles entering the body?. Once products are used or scratched are nanoparticles entering the body?
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