Cheezz, not sure about PB; I am sure FAA.org or something like that would detail, I had a colleague
that was on a business trip; the security guards were going to discard all of her makeup / moisturizers / Serums, etc. She had them for her eyes / skin / face. MUST have been quite expensive, because she opted for a later flight rather than leave them.
She did not have to pay extra $$ because it was a late night, relatively empty flight. BUT, she came home REALLY late, and had to be at work early am. I am sure she would not have been able to put through makeup expenses on a T&E report, and just opted for the later flight.
The challenges of travel these days!!