Patchouli essential oil:Inhaling patchouli oil is an effective anti-depressant treatment as it can help trigger the release of seratonin and dopamine. These are known to be the pleasure hormones in the brain and so they help in reducing feelings of stress, anxiety and depression. Patchouli oil is popularly known to calm the nerves, control appetite, relieve depression and improve sexual interest.HOW TO USE PATCHOULI ESSENTIAL OIL FOR DEPRESSION:1. Inhale directly: Inhale directly from the bottle or rub a few drops on your wrists. This will help relieve tension and bust stress. 2. Use in a diffuser: Diffuse a few drops of patchouli oil to uplift your mood. Cedarwood essential oil:Cedarwood essential oil has a woodsy aroma. The woodsy aroma has a good soothing effect on the mind and acts as a good mood stabiliser. It also acts as a natural sedative. The scent of the oil triggers the release of serotonin in the brain, which induces better sleep, reduces neuronal activity and encourages better sleep quality.With its natural ability to enhance better sleep quality, cedarwood oil is popularly used for relieving chronic depression and long standing stress.HOW TO USE CEDARWOOD ESSENTIAL OIL FOR DEPRESSION:1. Inhale directly: Inhale cedarwood essential oil directly from the bottle to feel de-stressed2. Apply topically: When feeling stressed, rub 1-2 drops of cedarwood oil right above your eyebrows to reduce agitation and induce good quality sleep3. Use in a diffuser: Diffuse a few drops of cedarwood oil an hour or so before heading to bed to set the mood for a good night’s sleep.Clary sage essential oil:Clary sage essential oil enhances feelings of hopefulness, self-confidence and mood upliftment. The oil can also help lower feelings anxiety and evoke calm. It helps to allay any form of fear and drastically improves the quality of sleepHOW TO USE CLARY SAGE ESSENTIAL OIL FOR DEPRESSION:1. Add to your bath: Add a few drops of clary sage oil to your bath. This bath will help you relax and induce a feel-good factor.Orange essential oil:Orange essential oil is a potent anti-depressant and helps in energizing and mood upliftment. Orange oil is extracted from the orange peel. Orange peel contains geraniol, alpha-pinene, and limonene, all of which are known for their antidepressant effects. With its energizing scent, orange oil creates feelings of happiness, increases energy levels and helps elevate the mood.HOW TO USE ORANGE ESSENTIAL OIL FOR DEPRESSION:1. Use in a diffuser: Diffuse a few drops of orange essential oil to instantly elevate the mood and improve concentration.2. Inhale directly: Inhale orange oil directly from the bottle to feel an instant energy boost.But a word of caution. Do ensure you check the product label before making your purchase. The label must say 100% pure essential oil and mentions the specific species of the plant. Some prior research might help too. For example, a label for lavender oil saying fragrance in all likelihood will have additives. There are very varied preferences of people when it comes to essential oils, so keep experimenting till you find the ones that work optimally for you.