The present invention relates to the cosmetic use of the essential oil of Laserpitium siler L., as an active agent for preventing and/or treating the signs of aging or photoaging of the skin and as an antioxidant. It also targets a method for cosmetic treatment of the skin in order to combat the signs of skin aging or photoaging and/or to prevent and/or treat skin disorders induced by an oxidative stress and also a composition comprising an essential oil of Laserpitium siler L.
