TretinoinKeratolytic AgentsPropionibacterium acnesLentigoAcne VulgarisOintmentsAdministration, TopicalSkin AgingCosmeticsDermatologic AgentsChemexfoliationHyperpigmentationAcitretinMelanosisNicotinic AcidsEmollientsTrichloroacetic AcidKeratosis, ActinicSkin CareFacial InjuriesCarcinoma, Basal CellSkinRetinoidsAdministration, CutaneousAcne KeloidSkin PigmentationSebumBenzoyl PeroxideDrug CombinationsIsotretinoinPropionibacteriumSebaceous GlandsDouble-Blind MethodGram-Positive Bacterial InfectionsGene DosageDosage Compensation, GeneticAntineoplastic AgentsTreatment OutcomeDosage FormsAcquired Hyperostosis SyndromeHidradenitis SuppurativaRosaceaDermatologyHirsutismFacial DermatosesAnti-Bacterial AgentsCosmetic TechniquesCyproterone AcetateHyperandrogenismCicatrix46, XX Disorders of Sex Development