An infection of the hair follicle leading to pustule formation is known as what?

The infection of the hair follicle that leads to pustule formation is known as folliculitis. Folliculitis occurs when hair follicles become inflamed or infected, often caused by bacteria or fungi. This condition typically results in small, red, pus-filled bumps around hair follicles, which can be itchy and uncomfortable. It can occur in any area of the body where hair follicles are present.

The other conditions mentioned do not fit this description. Psoriasis is a chronic autoimmune skin condition that causes red, scaly patches, typically not associated with hair follicle infection. Scabies is a contagious skin infestation caused by mites, leading to intense itching and a rash, but it does not specifically involve pustule formation in hair follicles. Rosacea is a chronic skin condition characterized by facial redness, visible blood vessels, and sometimes acne-like pustules, but it is not primarily an infection of hair follicles. Thus, folliculitis is the most accurate term for the condition described.