A rare… but very real characteristic

What makes this small detail even more intriguing is that it only concerns a minority of the population.
Its presence varies depending on the region of the world:
In Africa, it is more common.
In Asia, it remains relatively widespread.
In Europe and the United States, it is much rarer.
This distribution helps to reinforce its mysterious and unique nature.
Should we be worried about this?
Good news: in the vast majority of cases, this mark is completely benign.
It requires no special care and does not change the quality of life. It is simply a small physical peculiarity, like a dimple or a mole.
Of course, if you have any discomfort or questions, a healthcare professional can always provide appropriate advice, but this is generally unimportant.