Oregano, Wild Pure Essential Oil (Origanum vulgare, steam-distilled from flowering tops, wild harvested), 15ml is stimulating and warming. Highly antibacterial, antiviral and antiparasitic. Always dilute well before topical application. Use a concentration of less than 2 percent (15 drops per tablespoon of NSP massage oil) as it may cause skin irritation. Blend Wild Oregano oil with other essential oils before diffusing. Note: For external use only. Use caution if pregnant.