Blue Tansy ( Tanacetum annuum ) is one of the most distinctive essential oils in natural cosmetics, and not just for its cobalt blue color. Chamazulene, responsible for this color, is also the...

Pink Pepper ( Schinus molle ) is not pepper in the botanical sense of the word; it belongs to the Anacardiaceae family (related to pistachio and cashew), not to the black pepper family. The Incas...