If this week's storm was a rude awakening to the fact that autumn has arrived, now is the time to admit defeat: bring out the cashmere; invest in a new hosiery wardrobe and prepare to take on the challenges of winter fashion and beauty armed with all the knowledge we can offer. Where to have your moth-ravaged knits fixed? How to beautify weathered skin? How to control your hair in the rain? Here are our winter style lifesavers.