Dr Bronner\'s Organic Peppermint Castile Liquid Soap is the brands most popular fragrance. The peppermint essential oil tingles the body and clears the mind. Because therapeutically peppermint oil is a mild stimulant it increases vitality and clarity. All oils and essential oils are certified organic to the National Organic Standards Program. Packaged in 100% post-consumer recycled plastic bottles. Dr Bronner\'s is a PETA certified cruelty-free brand; they do not test any of their products on animals.