Melanonychia typically appears as a vertical (longitudinal) streak running from the cuticle ... or crumbling nail(s) Skin ...

A black band isn't the only skin cancer symptom that could be hiding under your nail polish. Other signs of nail melanoma include darkened skin around the nail and cuticle, blood, pus and splits ...

A Russian manicures involves using a tiny electric filer to trim or remove the cuticle. The technique is said to last several ...