The present invention provides a dermatological and/or cosmetic compositionwhich includes a methoxycinnamate,and a cyclic nitroxide. The present invention further provides a method ofsynthesizing photo absorbing-antioxidant compounds andtheir use in dermatological and/or cosmetic compositions. In addition, thepresent invention relates to the use of methoxycinnamate,and nitroxide compounds for the preparation of a composition for thedermatological and/or cosmetic treatment of skin.