Dermatologist Lindsey Zubritsky, or @dermguru on Instagram, warned her 1.2million followers to watch out for some specific dark marks under nails, which could be a type of melanoma. Dermatologist Lindsey Zubritsky, or @dermguru on Instagram, warned her 1.2million followers to watch out for some specific dark marks under nails, which could be a type of melanoma.
The nail change top dermatologists BEG patients not to ignore… as it could be a sign of aggressive skin cancer
