You can also improve your immune system by eating right andOpuderm Premium Skin Care taking the proper vitamins and minerals for your age and body type. Even a multivitamin is better than nothing, but consider supplementing with Vitamin C and Zinc, both proven to boost the imune system.SkinYour skin can often take a beating during the winter months. Inside your home or workplace, you'll be subjected to dry heat from electric, gas, oil or wood fire heating elements. Also, you may take longer and certainly hotter baths or showers.