Lavender Essential Oil 50ml. Our aromatherapy essential oils are 100% Pure Therapeutic Grade. It has a relaxing impact on people; thereby, it often replaces modern medicines for sleep issues. Lavender essential oil has a calming scent which makes it an excellent tonic for the nerves and anxiety issues. Therefore, it can also be helpful in treating migraines, headaches, depression, nervous tension and emotional stress. We suggest using in a diffuser or in your bath.