4Life™ Essential Oils TForce is the only essential oil in the world that features patented 4Life Transfer Factor™ in a 100% pure essential oil blend. This warm and welcoming essential oil can be diffused in your home. Or, blend it with a carrier oil and apply it to your skin—especially around the chest area—to receive phenomenal benefits! AROMATIC EXPERIENCE: Peaceful, fresh, sweet, citrus, woody, minty, nutty, and spicy