Beeswax allergy? Actually it is an allergic reaction to the propolis, or “bee glue”, that gets mixed with the wax. It has taken me over a year to solve the mystery of the exasperating recurring rash around my mouth and now that I have figured it out, I am sharing my findings so you can recognize the symptoms and heal your skin if you also suffer from an allergic lip rash that you previously have been unable to diagnose.