In the absence of fragrance, both deodorants and antiperspirants show effective control of underarm malodor

        Axillary odor can seriously compromise a person's quality of life. In previous posters, we have shown that the effectiveness of hygiene measures for controlling odor were enhanced following application of either a deodorant or antiperspirant (AP) preparation. The current poster presents the antiodor results of a direct clinical comparison between a perfume-free AP product containing aluminum zirconium trichlorohydrex glycine (IZAG) and a perfume-free glycol-based deodorant product containing triclosan. The clinical trial was conducted at the Hill Top Research Center (Loveland, Ohio). In the study 53 male volunteers completed a 12-day conditioning period in which they did not use a deodorant or AP product. At the end of this period, subjects were entered into the 5-day treatment phase if 24 hours after a controlled soap wash they received an axillary odor score of 4 or higher (0-10 scale). For the product comparison, subjects received 0.4 g of the glycol-based deodorant on one axilla and 0.4 g of the AP product on the other axilla. Product was applied daily to each axilla using a controlled application procedure. Odor scores were obtained at baseline, and at 12 and 24 hours after the first, third, and fifth day's treatment.
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