What are the benefits of rosemary for skin?

Rosemary is widely used in the treatment of bad odor emitted from the mouth, a problem faced by a lot of people. It is rich in vitamin E and many antioxidants which are used in the reduction of acne treatment. Rosemary is also a widely consumed product known to be a natural hair darkener and a natural deodorant as well.

Ive used is for bad breath but how does it benefit the skin?