This Mastic essential oil is 100% pure and natural, undiluted. It is produced and distilled in Corsica where it grows wild. Our essential oils are all organic, our farm is certified each year Bureau Veritas. We focus on producing a high quality product. We manually harvest our plants when the right time comes. Right after, we distillate them, so they are still fresh and rich in all of their properties. The twigs and leaves are distilled in a traditional big copper tank to best ensure the quality of the essential oil. We use steam to distillate. We produce it with mountain spring water from Corsica, a pure water right from the source. All theses steps allow us to produce a precious organic essential oil rich with all the Mastic properties. Used since centuries, for its medicinal properties and its gum. You can blend it with any carrier oil or cosmetic to benefit from its properties. It is a powerful venous, lymphatic and prostatic decongestant. Ideal for tired legs and varicose veins. It stimulates blood flow effectively. Our Night Serum is made with this essential oil. It also has anti-inflammatory property and may help reducing rosacea. It synergizes well with the Myrtle and Immortelle essential oil. It may also be used for your respiratory system by applying it in a massage on the thorax. It can be used in aromatherapy, in a diffuser, alone or in synergy with other essential oil. It will leave a fresh and intense herbaceous fragrance at your home. Volume : 5ml in a glass bottle with a dropper May provoke an allergic reaction like any essential oil. Before using test a few drops in the bend of the elbow. Always consult a doctor first if using it in a therapeutic scope