Achillea Millefolium Slechtste Synthetische en natuurlijke geurstoffen No known benefits Achillea Millefolium description _Achillea millefolium_ is a plant known as yarrow, for which there is little research showing its extracts have any benefit for skin. What studies do exist were performed in vitro, and indicate that it may have skin-soothing properties. However, yarrow also has properties that may cause skin sensitivity and photosensitivity. Related ingredients: