I have had extremely chapped lips for a few months which I have used various emollients to try to improve them. My bottom lip is much worse than the top one. The area around my lower lip and the sides of my mouth have stinging sensations which sometimes are worse than other time periods. When the symptoms are worst, the skin on my lower lip cracks open and looks and feels like it was blistered, even though I have not really been exposed to the sun for it to be a blister. It almost feels as if my lower lip has been exposed to something really hot which blistered the skin. I visited a dermatologist several months ago when this first started. At that time, I thought the problem could be a sensitivity to red food dyes which are in life savers that I was using. The doctor did not think that was it. I stopped the life savers completely and the problem has continued. It intermittenly seems to improve, but never completely, and then it gets worse again as it has for the past several days. I have tried vitamin E cream, Aquaphor, various lip treatments, but nothing has really stopped this problem. Any suggestions?