Young Living Essential Oil Harmony (5 ml) - New - Free Shipping Harmony is a carefully crafted blend of pure essential oils, designed to deliver an uplifting and invigorating aromatic experience. Usage: Diffuse, inhale directly, or apply topically as desired. Caution: May cause skin sensitivity. If you are pregnant or under medical supervision, consult your physician before use. No dilution is required, except for very sensitive skin. Generally safe for children aged 2 years and older. Storage: Store in a cool, dark place to maintain freshness and potency.