In cosmetics, peppermint is utilised in the form ofessential oil (I.N.C.I.: Mentha Piperita Leaf Oil), hydrosol (I.N.C.I.: Mentha Piperita Flower/Leaf/Stem Water) and oil macerate (I.N.C.I.: Mentha Piperita Leaf Extract). However, it is the essential oil that has demonstrated the most benefits when applied to hair, both on the lengths and at the scalp level.