Here are some sites I have found helpful so far with MCS.
Unscented products list.
http://www.anapsid.org/cnd/mcs/unsce...der%20Catalogs
Letter to visiting guest (What you need to know before visiting a
person who has MCS).
http://www.mcs-america.org/visiting.pdf
This site has some info on MCS.
http://www.multiplechemicalsensitivity.org/