It is, it is a common disease in which dead cells arise from the upper layer of the skin and form plugs that clog the orifices of the hair follicles.The caps cause the appearance of small puntiagudas papules that tend to be located in the upper part of the arms, thighs and buttocks. The face may also be affected, especially in children. Pilosa Keratosis persons often suffer these erupciones in the cold months and the papules tend to disappear on their own in the summer.The cause is unknown, although this condition is often afectar to run in families, it is likely that heritage has an important role. The papules usually produce only aesthetic problemas. TRATAMIENTOLa pilosa Keratosis tends to disappear on its own, this would mejor that be diagnosed by a dermatologist. The petroleum jelly mixed with cold cream or salicylic acid ( both water component encontrado creams ) You can help flatten prominences. You can use stronger salicylic acid or 40 Tretinoin cream preparations; vitamin A ) they are prescribed.