Betula Alba Leaf Extract Average Extractos vegetales Envejecimiento Betula Alba Leaf Extract description _Betula alba_ leaft extract (AKA birch leaf extract) is an extract derived from the plant _Betula alba_ (common name white birch). It can have antioxidant properties, but can also have astringent properties, which makes it a potential sensitizer for skin if it is one of the main ingredients in a product. Related ingredients: Birch Bark Extract