Though sanitizers kill most germs on your hand, they are not as effective in getting rid of dirt as handwashing is. Constant use of sanitizers from an early age also reduces a child’s natural immunity to fight germs.
Not at all! Most bacteria and germs on bar soap accumulate when the soap does not dry completely between uses and is left in a puddle of water. Since SoaPen’s application is performed on dry hands, there is no moist environment for the germs to gather on it.
Don't see the answer to your question? Ask the project creator directly.