Plantago Lanceolata Leaf Extract

Plantago lanceolata leaf extract (also known as ribwort or plantain extract) is a source of antioxidants that help defend skin from environmental stressors. The one thing holding it back is that its fragrance compounds and tannin content may potentially have a sensitizing effect on skin, depending on how the ingredient is processed (different extraction methods yield different levels of these problematic constituents).

Interestingly, suppliers of this ingredient tout its skin-soothing properties. This is a classic example of an ingredient perceived to have a calming effect on skin, when in reality it may be causing a cascade of damage below the surface. Worth noting, Plantago lanceolata’s volatile aromatic compounds are of greater concern with the essential oil form compared to the leaf extract.

Plantago lanceolata leaf extract is described as a greenish-brown liquid in raw material form. Suppliers recommend a maximum concentration of 10%. The Cosmetic Ingredient Review Expert Panel has not yet officially assessed this ingredient for safety.

Fun fact: Plantago lanceolata is an edible weed in the plantain family. Its leaves can be eaten raw or cooked. It’s a good source of calcium and potassium plus some trace minerals.