1 Please Note Before Purchasing If your cats hair fall after using the collar, please stop using it immediately Your cat is allergic to lavender If you do not like the strong smell of lavender, please open the package 20-45 minutes before using - According to our customer feedback and our experiments The calming effect of the cat calming collars depends on the cats own situation The calming effect of the cat pheremones calming collar on the cat is affected by many factors, such as wearing time, external environment, and cat genes In short, the cat calming collar has a calming effect on the catAs mood, but we can not guarantee that the cat calming collars will have an effect on every cat -For some people, the smell scent of this cat calming collar may be a little strong -Please check if your pets are allergic to lavender before purchasing -Its best to take it off when the pets in the shower, since the natural essential oils that will wash away 2 Features: Fast & long-lasting calming effect for 60 days -Natural lavender chamomile essential oil, no chemical ingredients -Waterproof & adjustable design -Pleasant relaxing smell helps cats and kittens feel safe and secure 3How it Works: By simulates the natural way cats cope with anxiety and stress -And made of essential oils of lavender, chamomile and pheromones to release maternal pheromones that reassure cats -cats will remember and respond to the pheromones throughout their lives, then to improve stress-related behavior 4 How To Wear: Place the collar around the cats neck -Leave 2-3 inches for adjustment -cut off and dispose the excessive length 5 Ingredients: Active natural ingredients: citronella oil 1% + Lavender 89% + pheromones 10% -Inset ingredients: polyethylene