Troxerutin Excellent Antioxydant Anti-âge Troxerutin at a glance Flavonoid ingredient Extract from the Sophora japonica plant Functions as an antioxidant Troxerutin description Troxerutin is a flavonoid ingredient that’s extracted from the Japanese plant _Sophora japonica_, also known as the Japanese pagoda tree. Research has shown it functions as an antioxidant when applied topically, scavenging free radicals and preventing oxidative stress. Some studies have also shown troxerutin to have a photoprotective effect against UVB rays, though it is not an approved sunscreen ingredient. Usage levels tend to reach from 0.4–1%, depending on formulary needs and desired claims. Related ingredients: Flavonoid Rutin