How different perfumes cause cold?

Dear Student,
 
Please find below the solution to the asked query:

 Perfumes and scents are actually irritants (not allergens) for some people, leading to symptoms like cold and sneezing. The irritants does not provoke the immune system like allergens, but they cause fragrance sensitivity in the person leading to watery eyes and running nose.
 
Hope this information will clear your doubts about the topic.
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Regards
 

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