We’ve all been there. You wake up with a mouth like the underside of Ghandi’s flip-flop after one too many bottles glasses of champagne the night before, and one look in the mirror is enough to send you into a spiralling depression. But never fear, the right combination of skincare and make-up essentials can take you from Miss Havisham to Heidi Klum in a matter of minutes – here’s how: Exfoliating mask After a thorough cleanse, I like to give my skin a refreshing kick-start with a brightening or exfoliating mask. The REN Flash Rinse 1 Minute Facial is perfect…