The present invention relates to a non-therapeutic use of L-
Carnosine for increasing the amount of fibrillin-1 in the
dermis after an
irradiation of the
skin with
infrared radiation. Furthermore, the present invention relates to a non-therapeutic use of L-
Carnosine for increasing the ratio of fibrillin-1 and
tropoelastin in the
skin of a subject. Furthermore, the present invention relates to a non-therapeutic use of L-
Carnosine for increasing the size and / or amount of elastic fibers in the
skin of a subject. Furthermore, the present invention relates to a non-therapeutic use of L-Carnosine for strengthening the
elastic fiber network in the skin of a subject. Furthermore, the present invention relates to a non-therapeutic use of L-Carnosine for preventing or reducing the symptoms of solar elastosis. Moreover, the present invention relates to a cosmetic composition comprising L-Carnosine.