Ultra-pure soft water ameliorates atopic skin disease by preventing metallic soap deposition in NC/Tnd mice and reduces skin dryness in humans.

نویسندگان

  • Akane Tanaka
  • Akira Matsuda
  • Kyungsook Jung
  • Hyosun Jang
  • Ginnae Ahn
  • Saori Ishizaka
  • Yosuke Amagai
  • Kumiko Oida
  • Peter D Arkwright
  • Hiroshi Matsuda
چکیده

Mineral ions in tap water react with fatty acids in soap, leading to the formation of insoluble precipitate (metallic soap) on skin during washing. We hypothesised that metallic soap might negatively alter skin conditions. Application of metallic soap onto the skin of NC/Tnd mice with allergic dermatitis further induced inflammation with elevation of plasma immunoglobulin E and proinflammatory cytokine expression. Pruritus and dryness were ameliorated when the back of mice was washed with soap in Ca2+- and Mg2+-free ultra-pure soft water (UPSW). Washing in UPSW, but not tap water, also protected the skin of healthy volunteers from the soap deposition. Furthermore, 4 weeks of showering with UPSW reduced dryness and pruritus of human subjects with dry skin. Washing with UPSW may be therapeutically beneficial in patients with skin troubles.

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عنوان ژورنال:
  • Acta dermato-venereologica

دوره 95 7  شماره 

صفحات  -

تاریخ انتشار 2015