no.
Distilled (pure) water.
The answer will depend on the quantity of water.
yes
viscocity of dm water
shelf life of DM Water
Demineralised water should best be used in an autoclave.
You're probably having a reaction to something in the new face wash that you are using. Rinse your face with clean, warm water and then stop using that certain face wash.
Water is demineralised by passsing through ion exchangers.
Use soap and water
it is the purest form of water which is free from anions and cations and having no dissolved gases
The most efficient way to demineralize water is by distillation, boiling it and recondensing the steam.