IF you've had to deal with a cold sore on your lip, you know now that cold sore prevention is vital. It is a virus that is in your body, but nonetheless, there are steps you can take to help prevent recurrences. 1) Strengthen your immune system via rest, vitamins and supplements such as lysine. 2) If you go into the sun, be sure to put spf on your lip so you are protected from uv lighting. This is true too for tanning booths. 3) Avoid chapped lips as sun and wind can create the conditions for a lip sore to arise. Stop by Cold Sore Lip for a quick solution.