I wouldn't worry
checked the patent and the chemical in question is a 'hydroxyethylcellulose hydroxypropyltrimethyl-ammonium chloride ether'. I don't know about anyone else but I only produce that after a very heavy night!
(
mamilla_sarsum um... a vial is enough, no jam-jars please,
Sun 29 Jul 2007, 23:57,
archived)