Nature.
Hot in the first degree, dry in the third.
Properties.
Rare, bitter; it has an earthiness and a thinning quality to it. Galen says: “Its flowers are more beneficial than wormwood.” It has the property of opening blockages.
Cosmetics.
Burnt yarrow, especially with castor beans or radish oil, helps against fox disease. Santolin yarrow, if boiled with some oil, due to its opening properties, is useful for growing a slow-growing beard. It acts as an astringent on the gums.
Tumors and acne.
It resolves mucous tumors, and if you boil it with quince, it is beneficial for tumors that are difficult to resolve.
Wounds and ulcers.
It is not suitable for fresh wounds, but on the contrary, it stings them.
Tools with joints.
Its decoction is useful for muscle rupture and chronic, difficult-to-treat inflammation of the sciatic nerve.
Organs of the head.
If boiled in olive oil, it warms the head and eliminates its coldness.
Respiratory system.
Its decoction is useful for difficult “standing breathing”; a decoction of its inflorescences works best.
Nutritional organs.
When boiled in olive oil, it warms the stomach and eliminates coldness.
Eruption organs.
He drives menstruation, expels the fetus and crushes stones in the bladder and kidneys; its heated oil helps with compression of the mouth of the uterus and with difficulty urinating.
Fevers.
It is useful for chills when mixed with oil.
Poisons.
If you give it to drink in wine, it helps against poisons, and if you make a bedding out of it, it not only drives away reptiles, but also kills them.