One of the hottest anti-ageing ingredients around is vitamin A or retinol, and the stars can't get enough of it. Eva has been spotted buying from the Skin Doctors range which has formulated products so the retinol is only activated once it's on skin. Designed to be used only twice a week so it's perfect for Hollywood busy-bods.

Retanew, £39.95 beautyexpert.co.uk

Want to see more A-list beauty bags? Take a peek inside Jennifer Aniston, Sienna Miller and Victoria Beckham's beauty treasures...