They effectively have no expiration date as well, so there is no sense in throwing them out. Personally I'm happy with my one scent though and will just keep u

They effectively have no expiration date as well, so there is no sense in throwing them out. Personally I'm happy with my one scent though and will just keep using that until it runs out Really what I was getting at with my original comment was more about food, and how it sometimes makes sense to take the higher price with a smaller quantity, iff you don't believe you'll be able to consume the larger quantity before it expires