Some cats will [also] be annoyed just by having a collar on and that will defeat the intent.” Components Satchu claims that pheromones, rosemary, chamomile, and tryptophan are a number of the major ingredients to look for, although other items also have calming aids like passionflower, colostrum, L-theanine, and jasmine. https://devinwdgik.thekatyblog.com/32269350/the-greatest-guide-to-all-natural-cat-treats