Oakmoss Evernia prunastri is used as a fixative agent in Eau de Cologne within the perfume industry. It is green on top and white on bottom, and divides evenly into "forks"; it becomes very soft when wet.
Evernia prunastri oakmoss functions as a fixative in Eau de Cologne within the perfume industry. It has a green top and a white bottom, splits evenly into "forks," and becomes extremely soft upon contact with water.