Udder Comfort includes a natural blend of essential oils. Provides excellent massage qualities, softening and soothing tender udders after calving and hard quarters. Comes in handy 300 ml. (10.14 fl. oz US) bottle to hang from your milking line or parlor curb. Comes in white lotion which dries clear and blue-marker lotion, which stays blue from one milking to the next, taking the guesswork out of follow-up applications.