Hibiscus rosa-sinensis
"Hibiscus rosa-sinensis" is considered to have a number of medical uses in Chinese herbology. Traditional uses in China have been to make a black shoe-polish from its flower petals, or to make a woman's black hair dye. The flowers are also used in parts of China to color various intoxicating liquors. The plant may have some potential in cosmetic skin care; for example, an extract from the flowers of "Hibiscus rosa-sinensis" has been shown to function as an anti-solar agent by absorbing ultraviolet radiation.