| abstract |
The present invention relates to a new chelating agent for a transition metal having the particularity of being photocleavable, that is to say of comprising a chelating function blocked by a photocleavable protective group. Thus, the chelating function is only released during exposure to light radiation, in particular ultraviolet, which allows the chelating agent to then capture the transition metals released under the action of light radiation, without having the side effects. usual chelating agents.n n n A subject of the invention is also cosmetic and / or dermatological compositions, containing at least one such chelating agent and intended to protect the skin, the mucous membranes and / or the hair against ultraviolet radiation. |