Bioactive Dietary Factors and Plant Extracts in Dermatology

Part of the series Nutrition and Health pp 169-175


The Role of Polyphenols in Skin Health

  • Grace Emily McClainAffiliated withUniversity of Arizona Email author 
  • , Ronald Ross WatsonAffiliated withHealth Sciences Center, Mel and Enid Zuckerman College of Public Health, and School of Medicine, University of Arizona

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Polyphenols are a unique group of phytochemicals that are present in a large number of fruits, vegetables, and other plant products. They are classified according to their chemical structure, which contains multiple linked phenol groups [1]. These compounds have powerful antioxidant properties that counteract harmful free radicals in the body. Nutrition has long been identified as a critical factor of health and well being, and the investigation into the costs and benefits of ingesting certain compounds has just begun; polyphenols in particular have been a topic of interest since the discovery that they may prevent or even reverse the effects of photoaging due to ultraviolet radiation [2]. Here, we explore the various types and properties of polyphenols, the deleterious effects of free radicals on skin health, and the possible protective and regenerative ability of dietary polyphenols.


Antioxidant Cancer Dietary polyphenols Flavonoids Oxidative stress Photoaging Resveratrol Ultraviolet radiation