Assertion: titanium dioxide's particle size | /r/HasProperty | small
Facets:
Source sentences:
text: This particle size is small enough to be more transparent, but yet not small enough to penetrate the skin.
text: Since the particle size used in sunscreens is so small, it does not reflect visible light, but does scatter and absorb UV light, creating a transparent barrier to protect skin from the damaging rays emitted by the sun.
text: The particle sizes of most titanium dioxides for plastic are small.