wet it, and heat it in the microwave for one minute to kill germs.
8. Insect repellent
If you’ve had your insect repellent for any longer than two years, we hate to break it to you, but it’s absolutely useless at this point.
9. Rubbing alcohol
Once the seal has been broken, rubbing alcohol is only good for about two years. After that? The alcohol starts to evaporate, making the solution weak and no longer able to kill bacteria.