
It's a great idea. Not great that you can't remove it once you put it on. If you could take it off and on, you could put it in a bag in the fridge to try to preserve potency. The couple of days I definitely noticed a difference in the reactivity and anxiety. Within a week I couldn't see any difference. So I bought the extract to spray on the collar or thundershirt. Not sure it makes a difference at all. Dog still a basket case when left in the car alone for half an hour.

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