Dr. James only addressed a skin allergy, i.e., contact dermatitis. Perhaps there was more information this person provided as to the symptoms she experienced that would point to this diagnosis. However, there have been noted anaphylactic reactions to one of the preservatives that could have been in her shampoo, one that is used in several products and medications, and that is polyethylene glycol (PEG). It has been lately recognized to cause allergic reactions and has been increasingly...