It's possible to get unscented versions of most personal hygiene products- and generally you shouldn't be using so much shampoo that you smell it for hours after using it.
Most shampoo fragrance fades fairly fast, compared to scents meant to last all day like deodorant. But I think you are underestimating the strength of the fragrances in shampoo.
I do know of the fragrance-free options, of course, but I’ve suffered comfort issues from being near other people’s fragrances for over a decade. I have to try to find fragrance-free and natural versions of everything for my girlfriend.
It isn’t a problem for my own use, as I use very few personal care products, but it would be great if the general public understood the things you say.
