The Calendula plant also known as the marigold is mostly found in the Mediterranean countries. Not all marigold plants are calendula plants. The petals of these plants have been used since the 12th century. This plant contains a high number of antioxidants that help to protect skin against cell damage such as sun burns.

When applied topically to the skin it has shown to help induce faster healing of a damaged area. It has also been used as remedy for other types of skin damage such as:

-Burns

-Dermatitis

-Cuts

-Bruises

-Minor infections

It is possible that the Calendula plant helps with increased blood flow when applied to the areas that have been affected. It appears to help collagen protein production. Collagen helps to heal skin more quickly. 

Using Calendula is considered safe when used on the external skin. Herbalists and homeopaths have recommended using Calendula for sun burns as well as any first degree burns.

The Calendula plant has also been used to help treat ear infections when used in its oil form and the studies have shown that have been no side effects however, they have not proved that is actually effective either.