A black line on your nail (medically known as melanonychia) causes a streak of dark pigmentation that runs along the nail bed ...

Best of all, creating tortoiseshell nails at home by yourself is pretty easy—even if you don’t consider yourself “good” at ...

There are a few main types of leukonychia, including: Apparent leukonychia: These white spots appear on the nail bed (under the nail) and disappear when pressure is placed on the nail, Dr. Camp says.

There are a few main types of leukonychia, including: Apparent leukonychia: These white spots appear on the nail bed (under the nail) and disappear when pressure is placed on the nail, Dr. Camp says.