This Publication Is Searchable The Merck Manual of Diagnosis and Therapy Section 10. Dermatologic Disorders Chapter 121. A common disorder of keratinization in which horny plugs fill the orifices of hair follicles.
Lesions are most prominent in cold weather and sometimes improve in the summer.
The cause is unknown, but there is often an autosomal dominant inheritance. The problem is chiefly cosmetic, but the disorder may itch or rarely produce follicular pustules in some patients. Treatment is usually unnecessary and often unsatisfactory. All rights reserved.