How long have you been off of the Aquaphor? I would actually wonder about being allergic to one of the active ingredients in there. I've heard of a few who are allergic to the lanolin....

The best thing to do with allergies is to attempt to single out a cause. Cut out the smoothies for a few days, and see if your lips get better. If not, then try cutting out the Aquaphor. And so on until you find the cause. Then you can figure out ways of avoiding it in the future.
Source(s):
http://en.wikipedia.org/wiki/Acetylated_lanolin_alcohol

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It is certainly possible that you may have a food allergy, though it's probable that it's simply a lasting result of the sunburn. Your symptoms do not sound like a typical food allergy.

You should consult a doctor for professional advice. This question is too serious to answer in this forum, especially given your current dietary restrictions. More information can be found in the source provided below.
Source(s):
http://www.foodallergy.org/questions.html

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You are probably still reacting from the sun exposure - lips are very sensitive. However, since you have gluten intolerance, be sure to check the ingredients on all lotions, makeup, creams, etc. for products which you should not use. In case you are allergic to something else, go without eating processed food for a while (just back to basic, plain food) and gradually add things back in.
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My sister has celiac as well. Kissing your husband after he eats wheat could give you itchy lips. Also certain lipsticks, lips balms, etc can have gluten in them. It is also possible that you simply have another food allergy. (My husband gets itchy lips when he eats fruits and veggies that have wax on them.-- maybe it's time to start buying organic?)

Start keeping track of what you eat and when your lips get itchy.
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