If you Google "alloy wheel refurbishment kit" there's a whole raft of different products, all of which seem to be broadly the same. I have never used any of them.
Whilst not entirely unbiased I though that this article was quite interesting:
https://www.chipsaway.co.uk/our-world/blog/2016/12/how-to-use-an-alloy-wheel-repair-kit-and-when-not-to/