Patchouli – Pogostemon Cablin Essential oil 12ml is a sensual oil that has a sedating effect on the body and mind. It may support pain relief and can suppress appetite as part of a weight loss program. Patchouli oil is anti-bacterial and be applied topically to the hair (in dilution) to combat itchy scalp or dandruff. Patchouli oil is effective on insect bites and as a repellent. Use in aromatherapy and combine with the following essential oils for an insect-repelling home remedy: Basil. Peppermint. Tea Tree.