Blue Yarrow oil is a dark blue hue that herbalist recommend for headaches, toothaches and to stop nose bleeds. The herb can help with lack of appetite, stomach cramps, gastritis, wounds, sore and skin rashes. This beautiful oil works on our circulatory system, digestive system, integumentary system and the reproductive system. The Blue Yarrow has therapeutic actions of ; anti-inflammatory, antiseptic, antispasmodic and so many more amazing benefits.