What is the skin disease caused by an infestation of head lice called?

The correct answer is "Pediculosis," which specifically refers to an infestation by lice, particularly head lice in this context. Pediculosis is characterized by intense itching and irritation of the scalp, as lice feed on human blood and the saliva they inject can cause allergic reactions. The identification of this condition is important for treatment, as the presence of lice requires specific interventions to eliminate them effectively.

In contrast, dermatitis refers to inflammation of the skin that can manifest in various forms, often as a result of allergic reactions or irritants, but it does not specifically relate to lice infestations. Eczema is another inflammatory skin condition that involves red, itchy, and inflamed skin but is not caused by parasites. Psoriasis is a chronic autoimmune condition that causes rapid skin cell production, leading to thick, red patches covered with silvery scales, and is also unrelated to lice. Understanding the specific terminology associated with skin conditions is crucial for accurate diagnosis and treatment in a hair design or cosmetology setting.