RESULTS: Of the 38,775 patients tested, 769 2.0 had: 1 more than 1 allergic patch test reaction associated with a nail care product n 746 , 2 irritant contact dermatitis associated with a nail care product n 14 , or 3 both n 9 . Primary body sites included the face 43.0 and hands 27.6 . The top 5 allergens were 2 hydroxyethyl methacrylate 273 482, 56.6 , methyl methacrylate 210 755, 27.8 , ethyl acrylate 190 755, 25.2 , ethyl 2 cyanoacrylate 12 175, 6.9 and tosylamide 273 755, 36.2 . ...