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.
It’s amazing to think how incompetent their management must be that they’re charging more, delivering lower audio quality, and paying less to artists than competitors like Tidal, yet still aren’t profitable.