I was talking about hygiene with my partner who is a nurse and they were telling me that a lot of people remark that their armpits are smelling worse than normal and they are using more and more deodorant and people just think it is normal.
Trichobacteriosis looks like a yellowish coating on some of your armpit or groin hair and you need to shave and wash the area every day for 2 weeks. It is more common in men than women in the US only because it is more common for women to keep their armpits shaved. Most of the patients who are affected by it think that its actually residue from the increasing amounts of deodorant they end up using.
On me it barely works to use alcohol, I don’t know how they make the stuff for surgeries but it is the right viscosity and concentration of iodine and other stuff to really remove anything alive without using a lot.
I have yet to find something that works as well for cotton with gunky deodorant residue, old t-shirts need a hot wash with a lot of soap and vinegar from time to time, sometimes two washes in a row.