“As cliché as it sounds, it’s annoying when you break a nail, so top marks to The Apprentice 2011 winner, Tom Pellereau, who has created a mini buffer and file that attaches to your keyring. It even comes in protective spiral casing so it doesn’t get ruined in your handbag. Genius! Plus, it’s available at Sainsbury’s so you can pick it up with your weekly shop!” says beauty writer Becci Vallis

Stylfile Emergency File, £4.99, Sainsbury’s and stylfile.com

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