Milia are tiny hard white circular minor protrusions containing keratin which lie superficially under the surface of the skin. They vary in size from a tiny grain of sand to 5 mm or larger and can be easily and successfully treated with electrolysis.
Their exact cause is unknown although they are often associated with dry skin. Rich cream, excessive amounts of Vitamin C and high cholesterol are also attributed as contributory factors. Often found around the eye area and cheeks of sufferers they appear as individuals or in multiple groups.