Lifespan of Lice

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