What it is
Rutin is a flavonoid glycoside, specifically a rutinoside of quercetin, found widely in plants. In skincare and sunscreens it is used for its antioxidant properties, helping to limit oxidative changes, and as a skin-conditioning ingredient. It is often paired with other antioxidants in plant-based formulas.
Safety & warnings
Rutin is a plant flavonoid used at low levels in cosmetics and is generally well tolerated. It is not a recognized fragrance allergen and is not associated with comedogenicity.
Origin & sourcing
Natural in origin; rutin is found in plants such as buckwheat, citrus, and others, and is also produced for cosmetic and supplement use.
Questions everyone asks
What is rutin?
Rutin is a plant-derived flavonoid, a glycoside of quercetin, used in cosmetics mainly as an antioxidant and skin-conditioning ingredient.
Why is rutin used in sunscreen?
It is included for its antioxidant properties, which help limit oxidative changes, and as a complementary skin-conditioning ingredient in botanical formulas.