Rose oil in geraniol, the main constituent of rose oil. Some of these "rose oils" are up to 90% geranium or palmarosa to 10% rose. This is referred to as "extending" the rose fragrance. This may be done to compensate for chemotype, e.g. Bulgarian distilled rose oil is naturally low in phenylethanol, and Ukrainian or Russian rose oil is naturally high in phenylethanol. Pure rose oil should not be used directly on the skin, as it can cause allergic reactions such as red skin and spots. Rose oil Rose oil (rose otto, attar of rose, attar of roses or rose essence) is
Garlic oil Garlic oil Garlic oil is the volatile oil (essential oil) derived from garlic. It is usually prepared using steam distillation, and can also be produced via distillation using ether. It is used in cooking and as a seasoning, a nutritional supplement, and also as an insecticide. Garlic oil is typically prepared using steam distillation, whereby crushed garlic is steamed with the resultant condensation containing the oil. Garlic oil contains volatile sulfur compounds such as diallyl disulfide, which is the "most abundant constituent" of essential garlic oil. Steam-distilled garlic oil typically has a pungent odor and a yellow-brownish coloration. Its odor