Dr. Bronner's Peppermint Oil Pure Castile Liquid Soap is one of Dr. Bronner's most popular fragrances! The peppermint essential oil tingles the body and clears the mind. Peppermint oil is a mild stimulant and has been known to increase vitality and clarity. Dr. Bronner's Castile Soap in Peppermint is the perfect way to start your day out with a invigorating frangrance that will wake up those senses. All Dr. Bronner oils and essential oils are certified organic to the National Organic Standards Program. Packaged in 100% post-consumer recycled plastic bottles.