Uses: Calendula has long been used to relieve inflammation of the mouth, throat, and stomach; popular as a topical cream or ointment to relieve rashes and irritation and to help heal wounds. Moreover, Calendula is a genus of about 15–20 species of annual and perennial herbaceous plants in the daisy family Asteraceae that are often known as marigolds.
Preparation and doses:
Tea: Pour 1 cup boiling water over 2 tsp petals. Steep for 10 minutes. Strain. Use as needed as a mouthwash, gargle, or tea.
Ointment: Apply to skin 2 or 3 times per day as needed.
However, regarding concerns: None known