Abstract: Deodorant compositions containing from 0.01% to 0.1% by weight of trans-1,4-diphenyl-2-butene-1,4-dione by weight of the total composition are disclosed. For oral use, any suitable, non-toxic, orally acceptable formulation such as breath sprays, toothpaste, tooth powder, liquid dentifrices, liquid mouthwash, powdered mouthwash, candy products, chewing gums and the like may be used as the carrier portion of the deodorant compositions of this invention. The preferred composition is a breath spray containing about 0.05% by weight of trans-1,4-diphenyl-2-butene-1,4-dione. The trans-1,4-diphenyl-2-butene-1,4-dione deodorant ingredient may also be used directly or in a suitable formulation to eliminate various objectionable odors such as household odors caused by the presence of hydrogen sulfide and organic sulfides.