Some cats will [also] be annoyed just by using a collar on and which will defeat the function.” Substances Satchu suggests that pheromones, rosemary, chamomile, and tryptophan are a number of the major components to look for, while other products also contain calming aids like passionflower, colostrum, L-theanine, and jasmine. https://franciscooxfmv.isblog.net/examine-this-report-on-organic-cat-supplements-50637069