I want to use this in my bath for relaxation. How do I do that correctly so the oil doesn't just float on top and irritate my skin?

To use this oil safely and effectively in a bath, you must first mix it with a substance that helps it disperse in water. Adding drops directly to the bathwater is not recommended, as the undiluted essential oil can float on the surface and come into direct contact with your skin, potentially causing irritation.

The safest method is to dilute 3-5 drops of the rosemary oil into a tablespoon of a carrier oil (like sweet almond or jojoba) or a dollop of unscented bath gel, shower gel, or full-fat milk. Stir this mixture thoroughly before adding it to the running bath water. The dispersant helps the essential oil blend with the water, distributing the aromatic molecules more evenly and reducing the risk of skin contact with concentrated oil. This creates a fragrant, warming bath experience. Remember that essential oils are not soluble in plain water, so this pre-dilution step is essential for both safety and to ensure you can enjoy the full, invigorating scent of the rosemary throughout your bath.