The Garden of Naturalsolution is a leading company in the natural cosmetic ingredients market in Korea.
It specializes in the development and supply of an extensive range of natural ingredients for cosmetic
and food industries since 2004.
|Common name||Weyrich’s azalea, Weyrichii rosebay|
|Scientific name||Rhododendron weyrichii|
|INCI name||Rhododendron Weyrichii Extract|
|Korean Cosmetic ingredient name||참꽃나무추출물|
|Used part||Whole plant /|
|Potential benefits in cosmetics||anti-inflammatory / anti-oxidant / skin brightening /|
|Known active compounds|
Rhododenron weyrichii, also known as Weyrich’s azalea, is a flowering plant that is found mostly in the southeastern region of Jeju Island. There is an official symbolic flower, tree, bird, and color in Jeju Island. Among them, Weyrich’s azalea flower is the official symbolic flower in Jeju. The red flowers cover in red from the coastal areas to the low areas of Halla Mountain in May. For this reason, it was selected as Jeju Island’s representative flower of May by the National Institute of Forest Science. Its Korean name Chamkkotnamu describes it as a mannish plant owing to the characteristics that it grows taller and bears bigger flowers than other Rhododendron genera growing in Korea. It is also called san dol wi or sin dal le nang in Jeju dialect. The leaves were used as a diuretic and stomachic in folk remedy and sometimes consumed as an alternative tea.
R. weyrichii has not been studied well on both the efficacies and compounds, so far, but there is one research of R. weyrichii as a cosmetic ingredient. According to this study, the ethanol extract of R. weyrichii showed skin brightening activity by inhibiting melanin synthesis. It showed anti-oxidant and