The phrase "calming effect" means that something has a soothing or relaxing influence on a person's emotions, making them feel more peaceful and less stressed. Full definition
Dog blankets or dog mats can also have a very calming effect on dogs. (poochieheaven.com)
When everyone smells the same, and have the wonderful calming effects of essential oils present, everything seems to move along smoothly! (animaleo.info)
I recommend trying herbal products first, as there are many that produce calming effects in animals. (tailsinc.com)