Essential oils, volatile oils extracted from the leaves and flowers of herbs and trees, are used in aromatherapy. Essential oils are usually inhaled or applied topically, according to the University of Maryland Medical Center, and they should never be ingested unless a qualified health care provider recommends it. Though there has been limited research into the scientific benefits of essential oils, the National Cancer Institute says that they are generally safe for use--though as with any remedy, if you experience skin irritation, breathing problems or other problematic symptoms after using essential oils, discontinue use and call your health care provider.
Changing Mood
Aromatherapy's best researched benefits are its ability to affect mood, according to Discovery Health's Alternative Health Center. In fact, Dr. Alan R. Hirsch, M.D., of the Chicago-based Smell & Taste Treatment and Research Foundation, tells Discovery Health that inhaling certain scents is the fastest way to change your mood. Essential oils like lavender and vanilla can help you calm down and relax, while essential oils from peppermint and rosemary plants can energize you and get you moving. These mood-altering benefits may also help treat depression for some people, according to the University of Maryland Medical Center, or UMMC, but more research is needed.
Relieving Pain
Topical application of essential oils may also help ease pain for people who have chronic conditions, including rheumatoid arthritis, cancer and headaches, according to the UMMC. People living with these health issues need less pain medication when they use aromatherapy--chamomile essential oil, in particular, seems to benefit people with cancer, and peppermint essential oil appears to have benefits for treating arthritis pain. The UMMC also notes that some women in childbirth who use aromatherapy report less pain during labor.
Soothing Skin
Many essential oils have antibacterial powers, and some have antiviral and antifungal powers, too, according to the American Cancer Society. Lavender, for instance, can soothe itchy red skin caused by bug bites or sunburn, while tea tree oil can treat skin problems including dandruff and acne. According to the UMMC, essential oils might work as part of a care regimen for skin conditions, such as psoriasis.
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