Info Blue Yarrow Essential Oil HIGH ALTITUDE NATURALS? Blue Yarrow Essential Oil is steam distilled from Achillea Millefolium plant, and is rich in chamazulene and azulene (which give the oil its blue tint). Yarrow oil has a warm, earthy and sweet aroma with a strong herbal note and a slightly camphorous overtone. Benefits Blue Yarrow Essential Oil Uses and Benefits Yarrow oil its often incorporated in skin preparations for acne and other skin problems. Yarrow oil is also called "Milfoil" has an uplifting effect on the body, mind, and spirit, and is often used in massage and aromatherapy, as it supports inner balance and stability, integration and wholeness. Yarrow oil is used in hair and scalp preparations to stimulate hair follicles and to support scalp health and strong hair. Warnings Avoid using during pregnancy. Read these essential oils/absolutes use WARNINGS before purchase.