A good herbal treatment for the skin is calendula, commonly known as pot marigold. (It is not a true marigold.) Calendula is a popular ornamental plant that you can buy for your garden at most nurseries in the spring. Its bright orange flowers can be made into tinctures, lotions, and creams. Try washing your skin with tea made from the flowers, or buy ready-to-use calendula skin products at health-food stores.