When a child gets head lice, one of the first things parents do is reach for lice shampoo. These products are made to kill lice, but many people wonder if they also work on nits. Nits are the tiny eggs that lice lay close to the scalp. They are often white or yellow and stick to the hair strands. Knowing how hair lice shampoo works and what it can and can’t do can help you treat the problem more carefully. What Are Nits? Nits are the eggs laid by adult lice. They are very small and can be hard to spot, especially in light-colored hair. Nits are glued to the…