Because it can catch another germ or virus
I think so, but not really but dark spots usually go away over time, instead there are creams made to use for the dark spots and it helps quite a lot. I can list some for you that I use such as Mdacne and hydroquinone cream I prefer hydroquinone cream more since its more effective and cheaper. Hope this helps:) Have a good day/night.
You’re probably being too nice or laugh too much with them. Makes people assume that
Im guessing the answer is a because sometimes the air quality is not good for you to in hale