Home Like Grandma’s. 100% Pure, Citronella Essential Oil (Cymbopogon nardus). Aromatic Description: Citrusy, slightly fruity, fresh and sweet. Uses: Excessive perspiration, fatigue, headache, insect repellant and oily skin. 5 mL – 30 mL (1 oz) — Amber glass bottles with a euro dropper fine ribbed cap. 2 oz – 4 oz — Amber glass bottles with a fine ribbed cap. 64 oz – 1 Gallon — plastic jug. General Essential Oil Precautions. Do not apply undiluted oils directly to the skin. Essential Oils are not for internal use ex. Ears, eyes, nose etc… Do not ingest without consulting a physician first. Keep out of reach of children and pets. If you suspect you are allergic, please use a patch test and consult your physician. More information can be found here. We will be closed on all federal and Jewish major holidays. Items must be unused and in their original packaging.