Improvement of facial skin characteristics using copper oxide containing pillowcases: A double-blind, placebo-controlled, parallel, randomized study

G. Borkow*, J. Gabbay, A. Lyakhovitsky, M. Huszar

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Synopsis Copper plays a key role in several processes of skin formation and regeneration. Copper has been shown to be absorbed through intact skin. We hypothesized that sleeping on fabrics containing copper-impregnated fibres would have a positive cosmetic effect on the skin. The aim of this study was to confirm our hypothesis. A 4-week, double blind, parallel, randomized study was carried out in which 57 volunteers aged 40-60 years used either copper oxide containing pillowcases (0.4% weight/weight) or control pillowcases not containing copper. Photographs were taken by a professional photographer of each participant at the beginning of the study and at 2 and 4 weeks after the commencement of the study. Two expert graders (a dermatologist and a cosmetologist) evaluated the pictures for the effect on several cosmetic facial skin characteristics. The copper-containing pillowcases had a positive effect for the following facial characteristics: reduction of wrinkles (P < 0.001) and crow's feet/fine lines (P < 0.001) and improvement of general appearance (P < 0.001) at both 2 and 4 weeks. The differences were statistically significant (Wilcoxon scores and chi-squared tests). Consistent sleeping for 4 weeks on copper oxide containing pillowcases caused a significant reduction in the appearance of facial wrinkles and crow's feet/fine lines and significant improvement in the appearance of facial skin. In most trial participants, this effect was already noticeable within 2 weeks of using the copper oxide containing pillowcases.

Original languageEnglish
Pages (from-to)437-443
Number of pages7
JournalInternational Journal of Cosmetic Science
Volume31
Issue number6
DOIs
StatePublished - Dec 2009
Externally publishedYes

Keywords

  • Clinical study
  • Copper oxide
  • Pillowcases
  • Textile
  • Wrinkles

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