The botanical properties of passion flower extract (Passiflora sp.) are described as anti-spasmodic and calming. extract specifically from the incarnata variety is credited with an ability to protect the skin against harmful external factors (e.g., climate). Its active principle, passiflorine, appears to be somewhat similar to morphine. There are four primary Passiflora varieties used in cosmetics: edulis, incarnata, laurifolia, and quadrangularis. Depending on the variety and the portion of the plant used (flower, fruit, or seed), therapeutic properties can range from improving skin condition to astringent, soothing, refreshing, and skin-protecting . See also passion fruit extract and passion fruit oil.