Acne VulgarisPropionibacterium acnesDermatologic AgentsSebumPubertyBenzoyl PeroxidePuberty, PrecociousIsotretinoinFolliculitisPuberty, DelayedRosaceaSebaceous GlandsProteus vulgarisIce CreamKeratolytic AgentsMite InfestationsAdministration, TopicalPropionibacteriumDesulfovibrio vulgarisOintmentsSexual MaturationGelsSkin Diseases, PapulosquamousClindamycinChlorella vulgarisFacial DermatosesGram-Positive Bacterial InfectionsBeta vulgarisSkinPhaseolus