Nanolex’s reactive glass cleaner is unlike most glass cleaners that simply remove fingerprints, insect squashes and general dirt, leaving any existing hydrophobic sealant for glass on its own. manage. Nanolex Reactivating Glass Cleaner works differently. Formulated with hydrophobic ingredients, Reactivating Glass Cleaner rejuvenates existing window coatings, restoring water beading and self-cleaning functions to help windows stay cleaner and clearer longer.