Formulated, Designed, and Supported by a Medical Doctor (The MD formerly used a pen name to fit into American Society)nNo Fragrance, No Preservatives, No Herbs, All NaturalnBooklet of Chemicals and Herbs to Avoid to Get Well for First Time BuyersnAll Progesterone Creams interact with chemicals and herbs put on the skin.nA Recommended Product List is included to allow the progesterone to work.nProgesterone Oil purer than Progesterone Cream. First time buyers get an Instructional Booklet on how to get the most out of Natural Progesterone Cream Therapy. Common chemicals and herbs found in cosmetics such as lavender, tea tree oil, fragrances, and parabens mimic estrogen and may interact adversely with progesterone cream.