We have found a great manufacturer of high quality, therapeutic grade essential oils and are happy to share them with you at a low cost. Each oil is 100% pure. We've provided source info below. If you require GCMS testing sheets to verify purity and quality we are happy to email them, just ask. Lavender, 15ml. Botanical name: Lavandula angustifolia. Extraction: Steam Distilled. Origin: France.