Benzoyl PeroxideErythromycinAcne VulgarisMethylmethacrylatePeroxidesDermatologic AgentsHypopigmentationLymecyclineOxytetracyclineToluidinesHydrogen PeroxideButylated HydroxytolueneKeratoacanthomaAdministration, TopicalPolymethyl MethacrylateErythromycin EstolatePropionibacterium acnesAcrylic ResinsMethylmethacrylatesFree Radical ScavengersAnti-Bacterial Agents