Hi Lync,
Welcome to Neurotalk.

Firstly, as you mentioned odour as a trigger, i'm wondering if you also get migraines or if your allodynia is related to migraines, or if your doctors have ever talked to you about migraines? Not sure what you mean about the soap.

I really just wanted to leave some information for you in case it was helpful.

Central Sensitization

Central Sensitization - two main characteristics.
allodynia and hyperalgesia