A novel method to control the balance of skin microflora: Part 2. A study to assess the effect of a cream containing farnesol and xylitol on atopic dry skin

Katsuyama Masako, Kobayashi Yusuke, Ichikawa Hideyuki, Mizuno Atsuko, Miyachi Yoshiki, Matsunaga Kayoko, Kawashima Makoto

研究成果: Article査読

57 被引用数 (Scopus)

抄録

Background: It is recognized that colonization by Staphylococcus aureus (SA) on the skin is one of the factors that can worsen atopic dermatitis (AD). Antibiotics and germicides are not the best choice to remove bacteria from the skin of AD patients, because of problems of irritation to the skin and bacterial resistance. We therefore turned our attention to the biofilm of SA with the aim of removing only SA from the skin surface of AD patients. We found that xylitol (X) and farnesol (F) synergistically inhibited biofilm formation by SA and dissolved biofilm formed in vivo (Part 1). Objective: To test whether application of AD for 1 week with FX cream can reduce SA without affecting Staphylococcus epidermidis. Methods: A randomized, double-blind, placebo-controlled right-and-left comparison study was performed. The arms of 17 patients with dry-type AD were applied with skin-care cream including/or not including a 0.02% F and 5% X combination for 1 week. The clinical response, biophysical assessment of the skin surface and counts of skin microflora were recorded before and after 1 week of therapy. Results: The ratio of SA in total bacteria at sites to which FX cream had been applied was significantly decreased after 1 week (P = 0.007), compared with before application and with placebo sites (P = 0.045). The mean skin conductance (a parameter indicating the state of hydration of the skin surface) of FX cream sites was increased significantly compared with the conductance before application (P = 0.0001) and at placebo sites (P = 0.002). Conclusion: This study provides evidence supporting the idea that cream containing F and X is a useful skin-care agent for atopic dry skin colonized by SA.

本文言語English
ページ(範囲)207-213
ページ数7
ジャーナルJournal of Dermatological Science
38
3
DOI
出版ステータスPublished - 06-2005

All Science Journal Classification (ASJC) codes

  • 生化学
  • 分子生物学
  • 皮膚病学

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