High natural eucalyptol content. Eucalyptus Oil is extracted through steam distillation of the leaves. Although eucalyptus leaves are dark green the oil when extracted is almost clear in color. Having a powerful aroma full of woody undertones, fresh scented, and with a hint of camphor top notes. Widely known and used for its antiseptic properties preventing infection from common cuts and wounds to other skin ailments such as acne, dry skin, skin lesions, dandruff, and skin ulcers. Recommended to those suffering from herpes simplex virus, treats symptoms if asthma, coughs, fevers, also clears nasal passageways. ***TESTERS NOW AVAILABLE IN 5ML BOTTLES! These do not have the same labels as the 10ml retail bottles. They are generic labels with the name of the oil. If you prefer the look of the 10ml bottle with the branded label, you are free to order an extra 10ml bottle to use as a tester!