(Udder Comfort) Udder Comfort Udder Lotion contains a blend of essential oils, including peppermint and tea tree oils. Udder Comfort softens hard quarters and soothes tender udders after calving. For quality udders that make quality milk. For external application to the udder after milking, as an essential component of udder management. Apply 10 ml per quarter after each milking/stripping and massage into quarter. Repeat application for 2-4 days or as required. White Lotion dries clear. Blue Lotion remains blue from one milking to the next. Always wash and dry teats thoroughly before milking.