Hair DyesHairHair PreparationsPhenylenediaminesBeauty CultureHair FollicleBarberingHair Cells, AuditoryGloves, ProtectiveDermatitis, OccupationalBone SubstitutesNeopreneMaineFluorescent DyesHair ColorHair DiseasesHair Cells, Auditory, InnerHand DermatosesBlood SubstitutesTattooingEstheticsColoring AgentsHair RemovalArylamine N-AcetyltransferaseHair Cells, VestibularVermontHair Cells, Auditory, OuterCosmeticsEpidemiologic FactorsSkin, ArtificialNew Hampshire