Expiration: Like all products, it has an expiration date, which, in general, corresponds to three years after its manufacturing date.
It is that its active ingredient, alcohol, begins to evaporate and, therefore, loses its effectiveness and its disinfectant properties as time passes. According to the FDA, they affirm that the expired disinfectant can continue to be used in times of emergency, since it has enough alcohol and it is better to use it than nothing.