Hair DyesScalpHairAlopeciaHair PreparationsHair FollicleHair DiseasesPhenylenediaminesEyebrowsHair ColorAlopecia AreataHypotrichosisScalp DermatosesMinoxidilBeauty CultureDental AmalgamBarberingHair Cells, AuditoryGloves, ProtectiveDermatitis, OccupationalNeopreneMaineFluorescent DyesHair Cells, Auditory, InnerHand DermatosesTattooingEstheticsHair RemovalColoring AgentsArylamine N-AcetyltransferaseHair Cells, VestibularVermontHair Cells, Auditory, OuterCosmeticsEpidemiologic FactorsNew Hampshire