Nits Nits are head lice eggs. They are hard to see and are often confused for dandruff or hair spray droplets. Nits are laid by the adult female and are cemented at the base of the hair shaft nearest the scalp. They are 0.8 mm by 0.3 mm, oval and usually yellow to white.
What Are The Signs Of Lice? Although the feeding bite of the louse is painless, its saliva can cause an allergic reaction in many people. There can be red marks and itching at the site of the bite. Infestations may cause itching within 24/48 hours. Half of our customers with lice show no systems