Dark Area Above Lunula on Big Toe

The large toe on my left foot has a noticeably darker area above the lunula than on the my right foot. It is only on the one toe, but has been present for at least a few months now

The large toe on my left foot has a noticeably darker area above the lunula than on the my right foot. It is only on the one toe, but has been present for at least a few months now

Original post:
Dark Area Above Lunula on Big Toe