rosemary extract (Rosmarinus officinalis) is considered woundhealing, astringent, toning, tonic, refreshing, stimulating, deodorant, anti-septic, reactivating, anti-bacterial, anti-microbial, softening, and invigorating. Rosemary also helps improve blood circulation, thereby aiding in skin regeneration. An alcohol fraction of rosemary extract had demonstrated strong anti-oxidant activity by hindering free-radical–induced reactions. Rosemary adds fragrance to a formulation. Some constituents of rosemary extract include a variety of amino acids, caffeic acid, rosemary acid, and apigenin. The leaf is the part of the plant that is used.