Delaying or reducing the thinning of skin and sagging of skin, comprises applying an effective quantity of an extract of Myrothamnus flabellifolia to the skin. Independent claims are included for: (1) a composition including an extract of Myrothamnus flabellifolia, rhamnose and a cosmetically acceptable medium; and (2) preparing the cosmetic composition including, mixing rhamnose with the extract of Myrothamnus flabellifolia and the cosmetically acceptable medium.