Assertion: nanotechnology's use | /r/HasProperty | approved for use
Facets:
value: by the food and drug administration
type: OTHER
value: since 1999
type: TEMPORAL
Source sentences:
text: The use of nanoscale Titanium Dioxide and Zinc Oxide as active ingredients in OTC sunscreen products is common and has been approved for use by the Food and Drug Administration (FDA) since 1999.