Viridian Oregon Grape Root Oil extract is a popular natural remedy which is used for the treatment of many aliments. Some research has suggested that the chemicals found in the Oregon grape might help to fight bacterial and fungal infections. There has also been some indication that this natural compound may help to reduce the overproduction of skin cells in diseases such as psoriasis. This extract is very similar to Goldenseal and it may help to reduce the symptoms of dry and chesty coughs.