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Influence of dry environment on epidermal function.

M Denda1

  • 1Shiseido Life Science Research Center, 2-12-1 Fukuura, Kanazawa-ku, 236-8643, Yokohama, Japan. mitsuhiro.denda@to.shiseido.co.jp

Journal of Dermatological Science
|January 4, 2001
PubMed
Summary

A dry environment worsens skin conditions like epidermal hyperplasia. Maintaining skin barrier homeostasis, through methods like humectants, can prevent and ameliorate dry environment-induced skin damage.

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Area of Science:

  • Dermatology
  • Skin Physiology
  • Environmental Health

Background:

  • Dry environments exacerbate skin disorders, including epidermal hyperplasia and mast cell degranulation.
  • The skin's stratum corneum provides a barrier against environmental factors and buffers against dryness.
  • Existing interventions include impermeable occlusion and topical humectants.

Purpose of the Study:

  • To investigate the mechanisms by which dry environments affect skin homeostasis.
  • To identify strategies for preventing and ameliorating skin damage caused by dry conditions.
  • To highlight the importance of stratum corneum barrier function and homeostasis.

Main Methods:

  • Review of recent studies on the effects of dry environments on skin.
  • Analysis of the protective functions of the stratum corneum.

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  • Discussion of methods to accelerate barrier repair and improve homeostasis.

    • Main Results:

    • Dry environments trigger cutaneous disorders by affecting epidermal hyperplasia, mast cell degranulation, and cytokine secretion.
    • Stratum corneum homeostasis is crucial for buffering against dry environments and maintaining barrier integrity.
    • Protease activity regulation and ionic balance are key to accelerating epidermal barrier repair.

    Conclusions:

    • Maintaining stratum corneum homeostasis is essential for preventing and treating skin damage induced by dry environments.
    • Interventions like humectants and barrier repair strategies can mitigate the adverse effects of dryness.
    • Understanding skin barrier functions is critical for managing environmentally induced skin conditions.