Today I learned that tide pod casings (and similar) COULD be made from biosources, but in actuality are plastic derived from petrochemicals. This plastic is called PVA, and it's nominally water-soluble, but only becomes fully dissolved under very particular circumstances.
Put frankly, it's just more plastic. If it's all the same to you, as it is to most of us, maybe just avoid them.
I learned this with dissolved PVA all over my hands (long story) and am not thrilled about that, either. 😬
my former brother in law is a lab scientist for a large contact lens company you've probably heard of. His grad school work was on osmotic uptake of plastics by human cells and as he put it, 'long chain polymers are bad news.'
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