It appears that the confusion over oil finishes is not just limited to the US. Some good information in the article and the comments. I was SHOCKED at the price of this huckster's oil. I also got a laugh that it could be up to 100% naphtha (in which case you'd be buying paint thinner).
https://paulsellers.com/2019/06/finishing-with-danish-oil/?pk_campaign=feed&pk_kwd=finishing-with-danish-oil
https://www.popularwoodworking.com/techniques/finishing/oil-finishes-their-history-and-use/