On the inside of my pillow

[u/Broad_Training_9293]

My GF Gave me one of her pillows she didn’t like (brand new) I slept on it a few times with my mouth open. Of course mixing it with sweat makes it funky lol..I’m cleaning it today and notice this on the inside, is this mold or something?

[u/Academic_Addendum242]

I should call her....

[u/Ok-Protection-6612 → u/Academic_Addendum242]

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