The value of essential oils for healing purposes have been used medicinally at different periods in history. Medical application proposed by those who sell medicinal oils range from skin treatments to remedies for cancer, and are often based on historical use of these oils for these purposes. Essential oils have a long history in human society. In fact, we've been using these gentle, natural products for thousands of years to heal everything from sprains to infertility. Essential oils are safe and non-toxic. The effects of grapefruit oil are primarily cooling, cleansing and detoxifying. A few drops of grapefruit oil in the bath act as a wonderful boost to flagging spirits. The essential grapefruit oil in this 8 oz. chunk candle is the strongest scent you'll find. It smells delicious enough to eat!!