Eucalyptus and peppermint can help the individual breathe easy again if one has a clogged nose while tea tree oil can be used to alleviate muscle pain. Students who are already familiar with the various scents can get a larger kit that has more bottles. The individual will become an expert in using it one by one or even mixing the various oils that can help others feel refreshed. The smell that comes out does one thing so those who want to experience something more can look into the light, which has been known to create a positive psychological effect. Making scented candles is not that difficult. The individual can get the information from books or the Internet so this can be made at home. In fact, archaeologists who dug up tombs in Egypt have found plant extracts and remains with embalmed bodies. It was also the Egyptians, who first used the plant extracts for cosmetic and aromatic purposes. Next in line were the Romans, who discovered the use of the essential oils as medicine. Hippocrates, the father of medicine, has been known to use plant oils in his medical work back in his time. Known as the most potent and concentrated extracts of various parts of flowers, fruits, leaves, spices, roots, and woods each type of essential oil is believed to emulsify and contain a certain aromatic energy. Compared to fatty or vegetable oils, essential oils are more volatile by nature. Experts say that the primary functional groups of the essential oils that are being used in aromatherapy today include Monoterpenes, Esters, Aldehydes, Ketones, Oxides, Alcohols, and Phenols. Since the discovery of aromatherapy and aromatherapy oils, more and more have become associated with the process. Commonly administered through inhalation or massage, aromatherapy products such as essential oils, candles, incense, lotions and the like, have become a household name in reducing stress, easing sleep process, aiding sensual harmony while relaxing sore and tires muscles. If the particular oil that the customer is looking for is currently not available, the person can always try looking for this online since there are various websites that advertise these products. The individual will just have to wait a few days before this can be shipped to the home. Lately, manufacturers have produced something else that can help aromatherapy.