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Well it depends. When a lice jumps onto your head, it lays eggs all through your head. They are tiny at first, but in at least 7 days they get bigger as the baby lice inside the egg grows. After 7 days, the nits, or "eggs" hatch. That will make the lice bugs tiny where you cannot even really see them.. after time the lice bugs grow bigger. More and more will lay eggs and continue to hatch if you don't treat them right away! I recommend RID or washing your hair in vinegar. It helped me, and I haven't had lice since then. I hope this helped.. :)
Wiki User
∙ 13y ago
Wiki User
∙ 12y agothey don't grow that big, but if they are left for a long time they will grow slightly larger but at there biggest the size of a green fly or something :)
Wiki User
∙ 10y agoAdult pubic lice are 1.1-1.8 mm in length.
Wiki User
∙ 10y agoabout the size of your fingernail
Wiki User
∙ 15y agoa lil bit biger than hair lice
Wiki User
∙ 8y ago✋maybe1cm
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How big is a head lice?
Well a Head Louse doesn't get very big about 3 Millimeters
How big are head lice?
i like moucse in dance
How do catch hair lice?
You get head lice by putting your head by someone who already has head lice
What is the plural of head lice?
Head lice is actually already the plural form. The singular is head louse.
Can you get head lice from chips?
No. You cant get head lice from chips.
Can a hamster get head lice?
No only humans get Head Lice
Can hamsters get head lice from a human?
If Hamsters somehow happen to get Head Lice the Lice will not live
Can head lice hop?
Yes Head Lice Dose Hop
Will beer kill head lice?
no, beer can not kill head lice
What bug lays tinny white eggs?
Head lice I think it is a big tinny bug
Can african-americans get head lice?
Anyone with hair on their head can get head lice. Bald people can't get head lice, so for a long time the cure was to shave your head. But now you can buy special shampoo that kills lice.
Can bromine kill head lice?
Yes, it can kill head lice, but it can also corrode the head
