Extraction Mesmara Eucalyptus Essential Oil is extracted by the process of steam distillation from the leaves of Eucalyptus Globulus. Uses of Mesmara Eucalyptus Essential Oil Excellent repellent against biting insects without harmful ingredients found in common repellents. Anti-microbial properties lets you clean practically anything in your house. Improve your oral health - Fights bad breath and prevents plaque build up. Perfect for Lice Removal and Prevention. CAUTION For External Use Only Keep out of reach of children. Avoid Contact with eyes. Avoid use with sensitive or damaged skin. Do not use undiluted on skin. Discontinue use if skin irritation occurs. Do not drop oils directly in ear canal or eyes. Oils can dissolve plastics - Use in glass. Do a 2-days patch test for even the gentlest essential oils before using them generally.