In Transit Muscle Therapy by this works is a portable muscle relief oil treatment designed to soothe & relax tension to leave you feeling rejuvenated. Boasting a rich blend of essential oils that absorb easily into the skin, it's just what you need at the end of a trying day. Formulated with Black Pepper, Clove & stimulating Majoram Oi, it's perfect for easing muscle pain & headaches. K.D. Directions of use: Use rollerball to massage deep into the muscles or, for headaches, rub gently into temples.