Use 99% when you want a solvent. So why is 99% isopropyl alcohol (or even 91%) sold in drugstores? It’s for cleaning things when you don’t care about killing germs, but when you do care about ...

Rubbing alcohol comes in concentrations between 60% and 99%. It isn’t a case of more being necessarily better, however, since rubbing alcohol must contain sufficient water to kill germs.

Rubbing alcohol comes in concentrations between 60% and 99%. It isn’t a case of more being necessarily better, however, since rubbing alcohol must contain sufficient water to kill germs.

People can use rubbing alcohol for certain purposes, but they should avoid it for others. Learn more here. ... but the amount can range from 60% to 99%, depending on the product.

Computers are a nightmare for gathering dust, but using a 70% rubbing alcohol and a soft cloth (such as a microfibre cleaning cloth, £4.99 on Amazon), you can easily wipe dust away from your ...