OSEA Vagus Nerve Bath Oil is a 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 wellbeing. Key ingredients with Vagus Nerve Essential Oil Blend: chamomile, lemon tea tree, juniper berry, Moroccan rosemary & lavender. Botanical Oil Blend: apricot oil, avocado oil, grapeseed oil, rice oil, jojoba seed oil, meadowfoam seed oil. 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.