There are essential oils which contain constituents that are anti-carcinogenic. They inhibit one or more stages of a cancer’s progression. This does not mean essential oils cure cancer. Just like it takes several factors for potentially carcinogenic essential oil constituents to cause cancer, it also takes a lot of work for these essential oils to help with preventing cancer. Sometimes the presence of anti-carcinogenic essential oil constituents can negate the carcinogenic potential of an essential oil. Some have anti-tumoral properties.<br>See also : *[[Aromatherapy]]* [[Essential oil]]s
==Constituents which are considered to be anti-carcinogenic:==