It contains hydroxypropyl guar, a proprietary wetting/conditioning polymer system, polyethylene glycol, tetronic (tetronic is a registered trademark of basf) 1304, boric acid, propylene glycol, and is preserved with polyquad (polyquaternium-1) (0.0011%), and edetate disodium (0.01%).The containers and cartons are marked with lot number and expiration date.Please be sure to read the ingredients as