Dr Jane Leonard, GP and aesthetics guru, talks you through the ten cardinal skin care sins. 1. Forgetting to take your make up off at night. We have all been guilty of climbing into bed without taking our makeup off after a night out or long day at work. So what is the harm? Well, it’s so important to fully cleanse your skin, not only to remove your make up, but also to remove the toxins that have built up during the day. Pollution, smoke, car fumes – to name a few, all create an invisible film on the surface…