Does insect repellent have an expiration date?
Hereof, how long does a bottle of insect repellent last?
Usually, it is between 18 months and 36 months, but read the product label to be sure. Manufacturers recommend disposing of the product after two years. Besides, most of them won't guarantee effectiveness for any longer than two years.
Furthermore, does DEET have an expiration date? DEET is very stable and is effective indefinitely as a repellent. For this reason, the federal government doesn't require an expiration date on product labels. But manufacturers of repellents say that the feel, smell and appearance of their products may change after about three years.
Just so, can you use expired mosquito repellent?
Insect repellent. Replace after two years unless there's an earlier expiration date on the bottle. Old insect repellent is not dangerous; it just won't work.
Does Sawyer Insect Repellent expire?
Our repellents don't have an expiration date printed on them because they have a shelf life of 10 years when stored properly.