What it is
This extract is obtained from the roots of Rubus coreanus, the Korean black raspberry. In cosmetic products it functions as a skin-conditioning agent and contributes antioxidant and astringent properties associated with its polyphenol and tannin content. It is mostly seen in Korean skincare and sun-care formulations as a supporting botanical.
Safety & warnings
This botanical extract is generally well tolerated at the low levels used in cosmetics. Its tannin content gives it a mild astringent quality, and as with most plant extracts there is a low background potential for irritation or sensitization in predisposed individuals.
Origin & sourcing
Natural, plant-derived. It is extracted from the roots of the Korean black raspberry, a bramble species cultivated and gathered in East Asia, particularly Korea.
History
Rubus coreanus, the Korean black raspberry, has a long history of use as a food and in East Asian traditional medicine, where various parts of the plant have been valued.
Questions everyone asks
What plant does this extract come from?
It comes from the root of Rubus coreanus, the Korean black raspberry, a bramble used as both a food and a traditional botanical in East Asia.
What is its role in skincare?
It conditions the skin and provides antioxidant and mild astringent effects from its polyphenols and tannins as a supporting botanical.