Chewing gum is a popular way of freshening breath or en... advertisement. Yahoo Life UK. Chewing gum has plastic in it. Yes, you read that right. Story by Kate Ng ... found in car tyres.

Most chewing gum on sale is made from a variety of oil-based synthetic rubbers – similar to the plastic material used in car tyres. If you find that thought slightly unsettling, you are not alone.

It almost sounds harmless. But chemical analysis shows that gum contains styrene-butadiene (the durable synthetic chemical used to make car tyres), polyethylene (the plastic used to make carrier ...

While most of us would never dream of chewing a plastic bag or a car tyre, that’s effectively what’s happening. Hidden behind the vague term “gum base” are synthetic materials like polyethylene (used ...

Some chewing gum also contains polyvinyl acetate, a polymer with elastic properties found in PVA glue, and butadiene-styrene rubber, found in car tyres. However, these ingredients are often listed ...