Organic Lavender Oil (Lavandula Angustifolia) 10ml. Lavender is the most popular and versatile oil in aromatherapy. It's a must for the first aid box - a great oil for skin conditions where there is inflammation, burns, scarring, etc. Lavender is also well known for its relaxing, antidepressant and calming properties and for treating headaches and insomnia as well as benefiting throat infections, colds and flu.