Uva ursi an herb, been used to treat urinary infections & fight off infection. Two of its phyto-chemicals are arbutin & hydroquinone.
* Arbutin is a naturally occuring derivative of hydroquinone found in the leaves of cranberry, bearberry, and blueberry shrubs, most types of pears, and many other plants.
Arbutin has been used in the treatment of disorders of hyperpigmentation such as postinflammatory hyperpigmentation caused by acne, trauma, allergic reactions, infections, injuries, phototoxic reactions, reactions to medications, reactions to cosmetics, and inflammatory diseases.
* Hydroquinone even is used in skin creams. Safe and Effective http://tinyurl.com/3r9n798