Yeah that helps 😅

I have to do a little myth busters work here: A paper from 1973 shows that it is actually only 0,4 to 10% skin present in common dust (depending on where the dust is coming from):

https://www.nature.com/articles/246039a0

So ni worries here: it is also dust from the streets, soil, dead plants and mainly fibers from the clothes you are wearing instead of skin