Some cats will [also] be aggravated just by having a collar on and that may defeat the purpose.” Components Satchu states that pheromones, rosemary, chamomile, and tryptophan are a lot of the leading components to look for, however other solutions also contain calming aids like passionflower, colostrum, L-theanine, and jasmine. https://claytonzgmck.bloggosite.com/40313814/relaxation-treats-for-cats-fundamentals-explained