A very odd question but in what ways can tears affect your skin? 😅

When I was younger, I was told once when I was crying don’t cry or you’ll get spots 😂😂 tears aren’t good for your skin. So whenever I cried I either cried with my head tilted forward so it doesn’t roll down my face instead it’ll hit the ground or I catch every drop on tissue 😂 (I did this when I was younger) I’m 21 now and I cry like a normal person streaming down my face like a hot mess 😂 but I just wanted to know can tears cause anything to your skin?