Milia, also called milk spots, are small, pearly white cysts that form under the skin. They develop when keratin—a protein that makes up hair, skin, and nails—gets trapped beneath the surface.

creating a small hard white group of cysts. There are different types of milia that may occur at different life stages. These include: Neonatal milia: often seen on babies, neonatal milia can be ...

milia, and epidermoid cysts. Because other conditions can have serious complications and require medical treatment, you ...