Can alcohol hand sanitizer be stored for a long time?

In fact, hand sanitizer does have an expiration date required by the Food and Drug Association regulations. But can the hand sanitizer be used even if it expires for a long time? Or should you buy a new one?
 
Yes, hand sanitizer does expire. Most manufacturers set their expiration date to 3 years. There is currently no clear scientific data to verify whether it can still kill the virus after it expires. Theoretically, after the alcohol hand sanitizer expires, its alcohol content may have evaporated to less than 60%, and the alcohol content below 60% may not be effective in killing the virus. If it is an expired unopened hand sanitizer, it may still be used for hand washing.
 
How to tell if hand sanitizer has expired?
 
Since the coronavirus incident, people are more concerned about hand hygiene than ever before. You may suddenly think that there is a bottle of hand sanitizer in your bag or garage, and you have only used it occasionally in the past. And now, you want to know if it can still be used.
 
Alcohol is a volatile substance and will evaporate at normal ambient temperature. Ethanol and isopropanol evaporate faster than water.
 
if your hand sanitizer has been used for more than 3 years and only contains 60% alcohol, it is best to buy a new hand sanitizer. Because you are gambling its effectiveness. Using unexpired alcohol hand sanitizer can effectively eliminate the coronavirus.
 
Related experts say that even if the alcohol hand sanitizer expires, you can still use it. It is better than not using anything, because even if a part of the alcohol is evaporated, the rest will help your hands get rid of some , but at this time the hand sanitizer can no longer reach The expected sterilization effect.