For the most part, over-the-counter, non-prescription dark spot correctors are safe for all skin tones, says Ibrahim. However, some ingredients can — and should — only be used while under a doctor's ...

Eye cancer often develops with few symptoms, including vision changes or a dark spot on the colored part (iris) of your eye. Regular eye exams can help you get a diagnosis sooner.

Dark spot on your fingernail could mean cancer May 22, 2025 at 6:39 am Subungual melanoma, which appears under fingernails and toenails, is a rare but serious form of skin cancer.