Most reactions to eyelash extension adhesives are caused by skin contact and an accumulation of exposure to cyanoacrylate (the ingredient found in all eyelash extension adhesives). Elleebana’s Eyelash Lift products and adhesives do not contain cyanoacrylate, so the chance of a reaction to the eyelash elevator will be minimal, but a patch test is the best way to determine if a client may have sensitivities.