Removing milia, also known as milk spots, is a minor, painless treatment that is often performed. Milia are small, white or yellow, hard bumps that appear on the skin and are caused by a buildup of keratin under the skin. They mainly occur on the eyelids, nose, cheeks and chin and can occur at any age. There are skin care products that can be used to reduce the appearance of milia, such as exfoliating products that help cleanse the skin and remove dead skin cells. This can help reduce buildup of keratin and reduce the chances of milia forming. Removing milia is a cosmetic treatment and not necessary for health. In general, removal is a minor, painless procedure.