This document discusses different types and potential causes of white spots on the skin, as well as treatment options. White spots can be caused by a lack of melanin, chemical exposure, genetics, medical conditions, or other factors. Treatment depends on the location, size, and extent of the spots, and may include topical medications, oral medications, light therapy, injections, skin grafts, or other procedures. The effectiveness of treatments can vary between patients based on age and other individual factors.