How long can dead nits stay in hair?

Asked by Kamden Huffman

Nits (eggs) that are over ½ inch (1 cm) from the scalp are empty egg cases. They are very white in color. Off the scalp, nits (eggs) can’t survive over 2 weeks. Adult lice survive 3 weeks on the scalp or 24 hours off the scalp.

Carla McCrory, BA Contributor
Carla McCrory
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