... the leaves look like feathers.Parts Used:The whole herb, or above-ground parts, of the yarrow plant ... properties. One study examining the effects of a three-herb mouthwash (yarrow, juniper, nettle) showed it to be ... dried yarrow, steep for 3 to 5 minutes) Dried herb: 2 to 4 grams in capsules, three times ... of water Contact Arene Deng/Sales managerChangsha Organic Herb Inc. Yarrow Extract 12:1 UV-VIS