@maya54, as a male, I have no hair care products (other than a razor and a beard trimmer if it is a long trip). Pre-Covid, I would bring two suits on a normal trip and alternate (and steam or get pressed) and a few business shirts. These days, people are not wearing suits so often, so I am adjusting.
I had two consulting engagements, one in London and one in Frankfurt, that required a monthly visit by me. Both lasted 3+ years. I left suits and business shirts at a hotel in London and a hotel in Frankfurt and had them press/clean and have them ready for me upon my return. That made the packing really easy.
@momofboiler1, I usually bring a pair of dress shoes and a pair of shoes I can exercise in. In some cases, I need a pair of more casual shoes.