Write about it
I just wrote an email to Colgate Oral Care about their new toothpaste completely decimating my mouth, wah! This is not the first time this has happened and A. very kindly suggested I should start writing down the names of toothpastes I have allergic reactions to so I do not buy the the toothpaste again. Currently, my symptoms include botox-style lips, tiny tiny ulcers all over my mouth, and skin burned off my newly enlarged lips. I have switched back to regular Colgate; if the past is any indication, it'll take about a week for this situation to heal. In the meantime, I've discovering that eating and drinking is my new form of masochism -- nothing like a burning tingle every time you eat a piece of bread or drink wine!