Boleks-Essential Oils. Used to help uplift the emotions, encourage relaxation and stimulate mental focus. These fine ingredients have been specially formulated to enhance your spa experience. Simply add a few drops of essential oil fragrance to melted or liquid soap bases, bath salts, bath fizzies, body scrubs or lotions. Highly concentrated and should be used by the drop. This package contains 0.5oz of essential oil. Made in USA.