If to look from chemistry side in order to dissolve oil based contaminants you can't do it with pure water. You have to have dispersing agent and alter pH to alkaline side in order to make it work faster. Also IMO water based solvent for regular use is better as it's not drying so fast as alcohol based so you can remove residue without allowing it to dry on stylus
For the very sticky contamination I do use isopropyl lab grade but I am soaking tip into it several times. But it's special cases and it not always make good results.
For the very sticky contamination I do use isopropyl lab grade but I am soaking tip into it several times. But it's special cases and it not always make good results.