6. Pimples That Won’t Go Away on Sun-Exposed Skin
If you have a pimple that is translucent and won’t go away after a month or so, it is safe to say it’s not a normal pimple.
5. Bruises on Your Feet That Won’t Heal
Cancer cells can develop under the toenails and look like purple, brown, or black bruises. If the streaks remain, even though the nail grows out, it’s likely melanoma.
4. Exposure to HPV
Genitals usually aren’t exposed to sunlight but can be. If such a person is also infected with the HPV virus, they can also develop squamous cells, which lead to skin cancer.Related: Natural Remedies for Dry Skin