Eucalyptus oils in the trade are categorized into three broad types according to their composition and main end-use: medicinal, perfumery, and industrial. The most prevalent is the standard cineole-based "oil of eucalyptus", a colorless mobile liquid (yellow with age) with a penetrating, camphoraceous, woody-sweet scent. Eucalyptus oil should not be confused with the term "eucalyptol", another name for cineole.

Menthol crystals are cooling, refreshing, and have a pleasantly strong minty aroma. They are often used in cosmetics, salves, balms, medicated creams, throat lozenges, toothpaste, mouthwash, gum, foot sprays, pain relief or cooling body products, shampoos, conditioners, liniments, shaving creams, oral or throat sprays, compresses, medicated oils, and cooling gels.

Cinnamon oil can be used as a edible spice and a flavoring agent. Mainly used in soft drinks, candy, canned food, baked goods, alcohol and tobacco, etc.

Eucalyptus oil is extracted from eucalyptus leaves. It has multiple functions: antibacterial and sterilization, relieve sore throat, prevent parasites, and remove dandruff.