Peucedanum Japonicum Leaf/Stem Extract Good Antioxidant Anti-Ageing Soothing Peucedanum Japonicum Leaf/Stem Extract at a glance Derived from Japanese parsley Has antioxidant properties Can fight oxidative stressed caused by blue light Has soothing benefits Peucedanum Japonicum Leaf/Stem Extract description _Peucedanum japonicum_ leaf/stem extract is derived from a plant more commonly known as Japanese parsley or coastal hog fennel. Research demonstrates the leaves and stems from this plant have free radical-fighting properties thanks to their many antioxidant compounds. Of particular interest are studies showing these parts of the plant can fight oxidative stress caused by exposure to blue light. Other studies indicate in addition to these benefits, the leaves and stems of _Peucedanum japonicum_ also interrupt pathways that cause inflammation, meaning it has skin soothing potential. Use levels of _Peucedanum japonicum_ leaf/stem extract in cosmetics is typically 0.5–2%.