NOW Lavender Oil, 16 fl. Soothing, normalizing, balancing HeadEase Blend:Add 3 drops each of lavender oil, peppermint oil and chamomile oil to a diffuser and enjoy.Extraction Method:Steam Distilled from flowering tops. Physical Characteristics:Specific Gravity: 0.875-0.888Refractive Index: 1.459-1.470 Dropper insert is not included with the 4 oz. This item is in the category "Health & Beauty\Natural & Alternative Remedies\Aromatherapy". The seller is "dailyvita" and is located in this country: US. This item can be shipped worldwide.