Yarrow flower essence increases the potency of the Petites.Use 2 drops in each blend of essences to enhance effectiveness . Historically, yarrow plant benefits acute onset of symptoms. Many with autoimmune reactions experience a calming effect of Yarrow. I used it successfully when I had Crohn's flare -ups. Lightly fragrant.
Read more about Yarrow and hundreds of beneficial plants in Mother Nature's Herbal.