I’ve used it to help fix a couple of large punctures on a quad bike, and I would certainly give it a try on my next car.

https://www.autoseal.co.uk/about-2/

https://www.air-sealproducts.com/how-it-works/

TM Factory Visit 2019 - https://bit.ly/4mLbmG9

https://www.flickr.com/photos/jonathanjenkins/