SkinAdministration, OralSkin DiseasesSkin AgingSkin NeoplasmsSkin TestsSkin Physiological PhenomenaSkin AbsorptionDrug Administration ScheduleSkin PigmentationInjections, IntravenousUnited States Food and Drug AdministrationDose-Response Relationship, DrugTime FactorsDrug Administration RoutesRats, Sprague-DawleySkin, ArtificialAdministration, TopicalRats, WistarAdministration, IntranasalDisease Models, AnimalAdministration, CutaneousInjections, IntraperitonealMice, Inbred C57BLInjections, SubcutaneousLiverSkin Diseases, BacterialSkin UlcerAdministration, RectalBiological AvailabilityEpidermisMice, Inbred BALB CInjections, IntramuscularInfusions, IntravenousHalf-LifeDrug InteractionsArea Under CurveAdministration, IntravenousTissue DistributionInjections, IntraventricularRats, Inbred StrainsTreatment OutcomeDogsDouble-Blind MethodSkin AbnormalitiesDermatitisRNA, MessengerBlood PressureCross-Over StudiesStaphylococcal Skin InfectionsPlant ExtractsCells, CulturedRandom AllocationKidneyAdministration, SublingualBody WeightMice, HairlessInfusions, ParenteralDermatologic Surgical ProceduresAdministration, InhalationAnalysis of VarianceMice, KnockoutBrainBehavior, AnimalRecombinant ProteinsMice, Inbred ICRRabbitsChromatography, High Pressure LiquidErythemaSkin Diseases, ViralImmunohistochemistryInjectionsMorphineSkin CreamMice, Inbred StrainsDrug ToleranceUltraviolet RaysLungSkin Physiological ProcessesOrgan SizeCarcinoma, Basal CellMetabolic Clearance RateInjections, SpinalDermisInjections, IntradermalPregnancyAntineoplastic AgentsRats, Inbred F344Heart RateMice, TransgenicWound HealingEthanolAntibodies, MonoclonalAnalgesics, OpioidPapillomaDrug CombinationsInflammationSpleenCytokinesDrug Evaluation, Preclinical