Popularly known as Marigold, Calendula flowers are Bright orange color flowers that can be used in various forms one of which being as an essential oil. It is specifically recommended for sensitive skin. It is particularly useful to reduce the appearance of acne scars. You can also consider putting a few drops of Calendula in your bathtub to soothe psoriasis.
I am sure that all of us are familiar with the name Chamomile that is used as a tea, but the essential oils also possesses similar properties. It is also known for its relaxing effects, which is why its counterpart the tea is so popular to drink before going to bed. This can also be added in diluted form on your bed and pillow to soothe your senses before resting.