Why can't my Apple phone take a picture of my eyelashes?

Probably because the eyelash curler is not tilted enough, it is stacked under it and can only be taken from the side.

Another is that the camera doesn't take details to eat makeup, and the eyelashes are too thin to be easily seen.

In addition, open a beauty camera, the kind that grinds the skin. If the eyelashes are not thick, they will easily disappear directly.