Why am I getting keratosis?
Causes of keratosis pilaris Keratosis pilaris happens when your hair follicles become blocked with a build-up of keratin, a substance found in skin, hair and nails. Nobody knows exactly why keratin builds up, but the condition is thought to run in families. So if your parents have it, you may get it too.
Causes of keratosis pilaris Keratosis pilaris happens when your hair follicles become blocked with a build-up of keratin, a substance found in skin, hair and nails. Nobody knows exactly why keratin builds up, but the condition is thought to run in families. So if your parents have it, you may get it too.