Dermatitis, Allergic ContactPatch TestsDermatitis, OccupationalDermatitis, IrritantNickelDermatitis, ContactIrritantsDermatitis, AtopicOxazoloneDinitrofluorobenzeneCosmeticsPhenylenediaminesLocal Lymph Node AssayFacial DermatosesDermatitis, ToxicodendronHaptensLawsonia PlantSkinSkin CreamAllergensDermatitisPerfumeDesonideGloves, ProtectiveInkConstruction IndustryHand DermatosesEar, ExternalCroton OilPicryl ChlorideDinitrochlorobenzeneAcrylatesEpoxy ResinsEczemaHair DyesPetrolatumLangerhans CellsAdministration, TopicalDrug EruptionsPreservatives, PharmaceuticalKeratinocytesSkin TestsAdministration, CutaneousChromiumDermatitis HerpetiformisTattooingDermatitis, SeborrheicPruritusLaboratory ChemicalsDermatologic AgentsDermatitis, PhotoallergicMice, Inbred BALB CUrticariaDisease Models, AnimalLatex Hypersensitivity