Organic Cold Sore Rescue by JOHN ADDISON is infused with Ravintsara, a well known ingredient used in the treatment and prevention of cold sores. Apply directly to effected area. It also helps to relieve the pain caused by a herpes outbreak. Ravintsara has a spicy and warm fragrance which is softer than the similar eucalyptus oil. This chemo type of C.camphora tends to be very rich in 1,8 cineole and is steam distilled from the twigs and leaves. The principle constituents include cineole, alpha-pinene and alpha terpinene.