[header] How to cope with scent sensitivity [title] Track your triggers. [step] It can be helpful to know what kind of scents bother you. If a particular brand of perfume or laundry detergent causes an adverse reaction, you should know so you can avoid that brand in the future. 
Keep a journal chronicling when and where you have a bad reaction to a smell. [substeps] It may be hard to identify the precise trigger every time, but try to notice when symptoms arise.