SkinKeratinocytesUltraviolet RaysMelanocytesFibroblastsEpidermisCells, CulturedSkin NeoplasmsSkin AgingDose-Response Relationship, RadiationSkin Physiological PhenomenaSkin, ArtificialDermisSkin DiseasesSkin PigmentationSkin AbsorptionSunlightCell Adhesion MoleculesMice, HairlessCell LineCysteamineWound HealingMelaninsSkin TestsAdministration, TopicalRNA, MessengerPyrimidine DimersOxidative StressMolecular Sequence DataDNA DamageBase SequencePhotosensitizing AgentsMelanomaErythemaSignal TransductionCell Line, TransformedKeratinsCell SurvivalGene Expression RegulationCell DifferentiationApoptosisAmino Acid SequenceMice, Inbred C57BLDNAImmunohistochemistryModels, BiologicalGene ExpressionMicroscopy, FluorescenceCell ProliferationCell DivisionSkin TransplantationMutationSmall Molecule LibrariesDose-Response Relationship, DrugProtein BindingHydrogen PeroxideDermatitisKineticsRabbitsReactive Oxygen SpeciesSkin Physiological ProcessesAdministration, CutaneousCulture Media, ConditionedDNA PrimersDNA RepairHerpesvirus 1, HumanSebaceous GlandsSkin UlcerCollagenModels, MolecularBlisterSkin Diseases, BacterialBinding SitesLangerhans CellsSunscreening AgentsTime FactorsAntibodies, MonoclonalCarcinoma, Basal CellAntigens, CDSweat GlandsInjections, IntradermalCell AdhesionHair FolliclePsoriasisNeural Cell Adhesion MoleculesProtein ConformationKeratosisIntercellular Adhesion Molecule-1T-LymphocytesPeptidesRecombinant ProteinsMolecular WeightMatrix Metalloproteinase 1Organ Culture TechniquesStaphylococcal Skin InfectionsMicrobial CollagenaseMembrane ProteinsMolecular StructureWaterMembrane Glycoproteins