There's nothing quite like a bath to soothe your senses and your muscles after a tough workout or a hard day at work. We collected soaking secrets from spa directors around the country and here are their suggestions for recreating a soothing spa experience in your very own tub. For best results—and to prevent drying out your skin—be sure not to stay in the tub for longer than 30 minutes (although you may be tempted) and use lukewarm, rather than hot, water. De-stressing Soak Dim the lights, put on some soft music and sink into a bath sprinkled with anti-stress essential oils…