For those who’re like most mother and father, you could have discovered that hair lice therapy is an iffy factor. After all of the work you’ve got carried out to eliminate them, they simply appear to pop up once more in every week or so. To eliminate lice for good, it is essential to grasp the pinnacle lice life cycle. Biology 101 This is the place you are going to study extra about these bugs than you ever needed to know. However keep in mind that somewhat information goes a great distance when coping with the pesky issues. The cycle begins when your baby is uncovered to somebody who’s already infested with these parasites. They’re unfold solely by direct contact, both with an contaminated head, or by borrowing a hat, comb, hair tie, or towel utilized by somebody who already has them. As soon as a feminine louse is on the pinnacle, she will begin laying eggs, that are referred to as nits. These nits are extraordinarily small. They’re discovered near the scalp, the place heat situations are excellent for them. One feminine can lay three to 5 eggs a day for seven to 10 days. This implies she’ll produce wherever from 20 to 50 eggs over the course of her life. A tea tree oil shampoo, utilizing loads of scorching water, will kill most grownup lice, which is why it is easy to suppose you’ve got gotten rid of them. The issue is the nits. They’re lined with a sticky goo that glues them to the hair shaft. For those who do not take away the nits with a fine-toothed comb, they hatch out into nymphs, or child head lice, in one other seven days or so. Nymphs are hungry little critters. They want a human blood meal inside minute of hatching, or they’re historical past. And naturally, they’re simply eliminated by one other scorching shampoo therapy at this level. In the event that they survive, they mature in seven to 10 days, when the younger females begin laying eggs, beginning the cycle over again. How Lengthy Can Hair Lice Reside? From nit to egg-laying grownup takes about 15 to 20 days. Add in one other week or so of egg-laying and you will find the common louse solely lasts for rather less than a month. That is a brief lifespan for one thing that causes a lot aggravation. Now you may perceive why hair lice therapy does not at all times appear to work. It is essential to get these nits out of your kid’s hair to forestall a repeat present in one other week. A therapy on the seven-day mark is important, too. It solely takes a few lice to begin the cycle over again.