Acne VulgarisPropionibacterium acnesDermatologic AgentsSebumBenzoyl PeroxideIsotretinoinSebaceous GlandsFolliculitisProteus vulgarisIce CreamPropionibacteriumMite InfestationsAdministration, TopicalKeratolytic AgentsRosaceaDesulfovibrio vulgarisOintmentsCoriandrumMedicine, African TraditionalAntigens, FungalMicroscopy, Electron, ScanningTime FactorsNursing HomesFusobacteriumGram-Negative Anaerobic BacteriaPrevotella melaninogenicaSpores, Fungal