TretinoinKeratolytic AgentsPropionibacterium acnesLentigoAcne VulgarisOintmentsAdministration, TopicalSkin AgingCosmeticsDermatologic AgentsChemexfoliationHyperpigmentationAcitretinMelanosisNicotinic AcidsEmollientsTrichloroacetic AcidKeratosis, ActinicSkin CareFacial InjuriesCarcinoma, Basal CellSkinRetinoidsAdministration, CutaneousAcne KeloidSkin PigmentationSebumBenzoyl PeroxideDrug CombinationsIsotretinoinPropionibacteriumSebaceous GlandsDouble-Blind MethodGram-Positive Bacterial InfectionsAntineoplastic AgentsTreatment OutcomeAcquired Hyperostosis SyndromeHidradenitis SuppurativaRosaceaDermatologyHirsutismFacial DermatosesCosmetic TechniquesCyproterone AcetateHyperandrogenismCicatrix46, XX Disorders of Sex Development