“But please check your arm to see if you have a millennial mole.” The beauty mark is just the latest identifier of the generation, but recession tips and mustaches also seemingly point them out.

Prai Beauty's Upper Arm Creme, £22, Marks & Spencer - buy here; Available from marksandspencer.com, the skin tightening cream is priced at £22. Boasting presenter Lisa Snowden as one of its fans ...

“But please check your arm to see if you have a millennial mole.” The beauty mark is just the latest identifier of the generation, but recession tips and mustaches also seemingly point them out.