is the cotton thats in a bottle of asprin or pain reliever pure?

is the cotton thats in asprin or pain reliever pure 100% cotton or synthetic ?

Some is and some isn't. You can tell the difference by feeling is. Pure cotton doesn't slip when you rub your fingers on it. I have had some so called cotton in bottles that I wondered what it really was because is was silky and slid between my fingers but you should always throw the cotton away because I heard it draws the potency out of the pills.

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