<page_title> Photoprotection </page_title> <section_title> Artificial melanin </section_title> <table> <cell> natural melanin <col_header> UV-absorber </col_header> </cell> <cell> > 99.9% <col_header> percentage of molecules that dissipate the photon energy (quantum yield: Φ ) </col_header> </cell> </table>
Melanin is a photoprotective substance that dissipates more than 99.9% of the absorbed UV radiation as heat.