Skin allergies happen because:[url=http://www.webmd.com/allergies/control-skin-allergies-16/rm-quiz-skin-allergy-facts?ecd=wnl_aaa_060117_REMAIL&ctr=wnl-aaa-060117-REMAIL_nsl-ld-stry_1&mb=Ad16A9UBNsSftalIpMmLLng0WleHxvIqxu6vXFyfXuU%3d][/url][list][url=http://www.webmd.com/allergies/contro…