Oct 7, 2023 · These white marks or spots are caused by minor injuries or trauma against the base of the nail (the nail matrix) which is the area where the new nail forms. Most of the time, patients don’t recall the specific injury to this area as in your case. White spots on your skin can signal idiopathic guttate hypomelanosis, a result of UV exposure. They may also be leftover scars from eczema or tinea versicolor, a fungal infection. Flat warts look like light-colored shiny patches that are caused by HPV. Advertisement Apr 27, 2021 · Milia. White spots in the form of hard, raised bumps could be milia, which are small, pimple-like cysts. Milia tend to occur in clusters on the face, usually around the eyes or on the forehead, but they can appear anywhere. The bumps, which can also be yellowish, usually form when dead skin cells build up under the top layer of the skin. .

why do i have white spots on my skin