Black spiny cytopenia occurs mainly in the neck, armpit, groin, etc. that the skin comes into contact with. If the area where the skin folds, such as the armpits, necks, and groins of growing ...

Dark circles from extrinsic factors or underlying inflammation should be the most straightforward to manage with topical ...

If dark underarms make you feel self-conscious ... and it is most likely to occur in areas where your skin folds — like under your arms or behind your knees, according to our experts.