Quick Answer. When an electron absorbs energy, it will move up from a lower energy level to a higher energy level, called the excited state of the negatively-charged subatomic particle. However, the absorbed energy is released within a small interval of time and the electron moves down to its ground state.. Continue Reading.
1 Post-inflammatory hyperpigmentation (PIH) . 2  These are dark spots that occur as a result of trauma to the skin, which can be caused by psoriasis, burns, acne, and certain skin care treatments that are hard on the skin. Don't go out in the sun with citrus juice on your face, as this can cause it to burn. 2  Always follow package directions when using home treatments for dark spot removal. 3  Make sure to use plenty of sunscreen when using any type of skin lightening product.
Finally, some drugs can cause face swelling, including commonly used medications like aspirin, penicillin, prednisone, and the substance inside asthma inhalers. Some diseases can result in swelling in the face, even when it does not seem like the face should be affected by the medical condition at all. For example, kidney disease may cause this issue, as a malfunctioning kidney can fill the body with fluids, though this is usually also accompanied by swollen hands and feet.