Stubborn White Bumps? Milia Removal with Diathermy If you notice small, stubborn white bumps just under the surface of your skin, they are most likely milia. They are small, keratin-filled cysts that often appear around the eyes and cheeks. Unlike a typical blemish that may be growing out of the skin or on top of the skin, milia are trapped under a thin layer of skin, meaning you can’t just squeeze them out, and in fact, attempting to do so can lead to scarring and inflammation. I have seen this many times in the clinic. Using diathermy, the method I use in the clinic. These milia can be treated non-invasively,