Assertion: head louse | /r/HasProperty | become resistant
Facets:
value: to pyrethrins
type: TRANSITIVE-OBJECT
value: to permethrin
type: OTHER
Source sentences:
text: Natroba is a useful addition to the anti-lice arsenal, since some head lice have become resistant to permethrin and pyrethrins, the active ingredients in over-the-counter anti-lice products such as Nix and Rid.