Effectiveness of removal and prevention of aging odor by various bathing style

  • Nishimura Naoki
    Department of Physiology, Aichi Medical University School of Medicine
  • Iwase Satoshi
    Department of Home System & Appliance Sales, Toho Gas Co., Ltd.
  • Sugenoya Junichi
    Department of Physiology, Aichi Medical University School of Medicine
  • Kawahara Yuko
    Department of Home System & Appliance Sales, Toho Gas Co., Ltd.

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Other Title
  • 異なる入浴様式による加齢臭の除去・抑制効果
  • コトナル ニュウヨク ヨウシキ ニ ヨル カレイシュウ ノ ジョキョ ・ ヨクセイ コウカ

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Description

To clarify the optimal bathing style to remove or prevent the distinctive aging odor from the human body, we measured the chemical nonenal and skin dirt before and after three types of bathing, the micro-bubble water bathing, 38°C of hot fresh water bathing, and 38°C of shower bathing in eight healthy male subjects (age: 40 to 44 yrs.). Removal rate of nonenal (RRN) after micro-bubble water bathing were significantly higher (P<0.05) than those after both hot fresh water and shower bathings, and it was maintained even after three hours of bathing. However, RRN decreased after three hours of both hot fresh water and shower bathings. We conclude that the micro-bubble water bathing not only effectively remove the aging odor produced by skin-secreted nonenal and skin dirt, but also prevent a body odor to be produced overtime.<br>

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