Polyvinyl alcohol (PVOH, PVA, or PVAl) is a water-soluble synthetic polymer. It has the idealized formula [CH2CH(OH)]n. It is used in paper making, Glue, and a variety of coatings.
Polyvinyl alcohol is a non-toxic, biodegradable polymer, and products that contain PVA are safe to use and safe to consume. The Environmental Working Group rated it as a low-hazard ingredient in cosmetics, and the Food and Drug Administration has approved PVA for use in food packaging and pharmaceutical applications.
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