this does not sound like chemical sensitivity to me, rather it sounds more like mold toxicity
Most of the clothing items you buy from Goodwill type stores are moldy, the perfumey detergents just mask the scent of the mold
anyway something to think about, I don't know you at all and I certainly can't diagnose you but I can tell you that I know a lot about mold sensitivity and pretty much all of the symptoms you are describing fit it to a T