Dermatitis, Allergic ContactPatch TestsDermatitis, OccupationalDermatitis, IrritantDermatitis, ContactIrritantsDermatitis, AtopicOxazoloneDinitrofluorobenzeneCosmeticsPhenylenediaminesLocal Lymph Node AssayFacial DermatosesDermatitis, ToxicodendronNickelHaptensLawsonia PlantSkinSkin CreamDermatitisAllergensDesonidePerfumeInkGloves, ProtectiveConstruction IndustryHand DermatosesEar, ExternalCroton OilPicryl ChlorideDinitrochlorobenzeneAcrylatesEpoxy ResinsEczemaDrug EruptionsHair DyesPetrolatumLangerhans CellsAdministration, TopicalPreservatives, PharmaceuticalKeratinocytesSkin TestsAdministration, CutaneousDermatitis HerpetiformisChromiumTattooingDermatitis, SeborrheicPruritusLaboratory ChemicalsDermatologic AgentsDermatitis, PhotoallergicUrticariaMice, Inbred BALB CDisease Models, AnimalLatex Hypersensitivity