ANSWERS: 1
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Yes, olive oil will kill lice by "dissolving" their exoskeletons. Furthermore, olive oil can smother and suffocate active lice when submerged in the oil for a long period of time, according to an informal study by a Harvard professor.
Source:
lacetoleather.com: Natural Ways to Get Rid of Lice - More Than Home Remedies
headliceinfo: Can suffocating agents like olive oil eliminate head lice infestations?
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