Yeah, it’s the red 40: https://www.commodious.co.uk/knowledge-bank/food-safety/food-additives
Edit: you’re likely right about the mineral oil too: https://www.legislation.gov.uk/uksi/1966/1073/body/made?view=plain#:~:text=Prohibition of mineral hydrocarbon in food&text=(b)no person shall sell,food containing any mineral hydrocarbon.
They do, and things like this are intended to get their voting base to vote for them without having to run any real policies to fix real issues because that would make it more expensive for their donor base.