It's gotten a lot better, but perfumes make me itch, especially around my nose and face, but also on my forearms. It was definitely from smelling them, not an allergic reaction. Walking through the stench department in a store was hell, and perfume cards in newspapers and magazines would make them unreadable.
Cleaning products and other chemicals never bothered me, and lower concentrations of fragrance didn't cause the reaction (though I'm still not fond of them).
One time my partner got some dish soap that I thought smelled like vomit, so apparently I don't match their product testing population <grin>.
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"Yeah, I've always been myself, even when I was ill.
Only now I seem myself. And that's the important thing.
I have remembered how to seem."
-The Madness of King George