Keratosis pilaris (KP) is a common skin condition which causes abnormal follicular keratinisation, producing a characteristic papular rash on the extensor surfaces of the upper arms, upper legs and buttocks.1
It may also affect other areas such as the face and trunk.1 KP typically presents in early childhood, and affects 50-80% of adolescents and approximately 40% of adults.1 It is thought to be a genetic disorder, and most cases fit an autosomal dominant pattern of inheritance with variable penetrance.1
The cause of KP is not fully understood, however, it has been associated with mutations in the FLG gene encoding the key epidermal protein filaggrin.1 KP is benign and usually asymptomatic.1
However, in our experience, it can be a source of considerable distress, due to the cosmetic appearance. Although there is no cure, there are effective treatment options available to manage this…
