Assertion: nail polish's formaldehyde | /r/HasProperty | known carcinogen
Facets:
Source sentences:
text: The so-called toxic trio of nail polish consists of dibutyl phthalate (a plasticizer), toluene (to evenly suspend color), and formaldehyde (a known carcinogen that is used as a hardening agent).
text: Formaldehyde is also a known human carcinogen, a factor directly involved in causing cancer.
text: Toulene is considered toxic, as is a formaldehyde, which is also a known carcinogen.