Braces are very often an EC trigger.
You may as well be allergic to materials your braces are made of.
Keep us informed.
If it is braces, you may be allergic to nickel and copper.
After the removal of your braces, try not to eat with metal spoons or forks or knives, try instead to eat with wooden spoons, wooden forks or wooden chapsticks.
Avoid all contact with stainless steel.
Also. avoid cooking in stainless steel pots.
Also, avoid sugar, and most industrially processed foods.
They are all high on nickel.
If you eliminate most of nickel from your life, and if nickel allergy is your problem, your lips may improve within 3-7 days.
If you do not elimina all nickel, it may take 20 or 30 or 60 or 90 days ...
All industry machines are made of stainless steel, Chrome and Nickel.
That is why all industrially processed food is often higher on nickel.
Milk is stored in stainless steel, vine is stored in stainless steel, oils are stored in stainless steel etc ...