Lavender (Lavandula angustifolia) has a sweet, floral aroma that is soothing and refreshing. Lavender’s aroma is great for relaxing and winding down before bedtime; add to bath or diffuse to create a calming and comforting environment. The health benefits of lavender essential oil include its ability to eliminate nervous tension, relieve pain, disinfect the scalp and skin, enhance blood circulation and treat respiratory problems.