IsotretinoinAcne VulgarisUniversal PrecautionsDermatologic AgentsKeratolytic AgentsSebumFacial DermatosesGloves, ProtectivePatient IsolationInfection ControlAcitretinRosaceaAbnormalities, Drug-InducedSebaceous GlandsNeedlestick InjuriesBlood-Borne PathogensAdministration, TopicalFolliculitisSurgical AttireHyperostosisProtective ClothingLeukoplakiaInfectious Disease Transmission, Patient-to-ProfessionalCross InfectionRetinoidsAdministration, OralPersonnel, HospitalPropionibacterium acnesBenzoyl PeroxideLeukoplakia, Oral