Fig. 1. (a) Schematic illustration of the in situ microencapsulation of OMC and BMDM in microporous zeolitic imidazole framework and their function as a sunscreen. Microencapsulation of UV filters reduces leaching, degradation and transdermal penetration upon UV exposure; and (b and c) molecular models illustrating the encapsulation of (b) OMC and (c) BMDM within single cage of the ZIF-8 structure. In each case, the encapsulated molecule is shown with balls representing the atoms, while only bonds are shown for the ZIF-8 cage.