Tea tree oil comes from the leaves of Melaleuca alternifolia, a small tree native to Queensland and New South Wales, Australia. Although...

Lavender oil is an essential oil derived from the lavender plant. It can be taken orally, applied to the skin, and breathed in through...

Rosemary (Rosmarinus officinalis) is an evergreen shrub with needle-like leaves and a woody aroma. Though best known as food seasoning,...

Peppermint is an aromatic herb in the mint family. It’s a hybrid mint that’s a cross between spearmint and watermint. It can be found...

Eucalyptus is a fast-growing evergreen tree native to Australia. As an ingredient in many products, it is used to reduce symptoms of...

Essential oils are concentrated oils that are derived from plants. Several types of oils are produced from citrus species, including...