Polyvinyl alcohol (PVA) is generally considered safe for humans when used as intended. It is a water-soluble polymer derived from the hydrolysis of polyvinyl acetate (PVAc) and has various applications in industries such as adhesives, coatings, textiles, and packaging.
PVA is non-toxic and does not cause any known harm to human health. It is widely used in the food industry as a thickener, stabilizer, and film-forming agent. However, it's important to note that specific formulations and additives used in PVA products might affect their safety, so it is always recommended to follow the manufacturer's instructions and guidelines when using any PVA-based products.
As with any substance, direct ingestion or excessive inhalation of PVA powder or prolonged and repeated skin contact could potentially cause irritation or allergic reactions in some individuals. It's advisable to handle PVA materials with care, follow good hygiene practices, and use appropriate personal protective equipment when necessary.
If you have any specific concerns or questions about a particular PVA product or its safety, it's best to consult the PVA manufacturer or seek advice from relevant regulatory authorities or health professionals.