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. About ...

If you’ve noticed small white bumps showing up under your eyes, on your cheeks or other areas of your face, you may be dealing with milia. The bumps are usually 1-2 millimeters in size and caused by ...