Soak away signs of stress and leave the day behind with Osea Vagus Nerve Bath Oil. This soothing bath oil helps promote a sense of serenity. Soften and moisturize your skin with this one-of-a-kind bath experience. A blissful blend of essential oils blossoms in the water to relax mind and body. Emerge into a moment of calm well-being. The vagus nerve activates the body’s relaxation response and helps regulate stress. Named after the Latin word for “wandering,” the vagus nerve is the longest cranial nerve in the body.