Fructose is often called fruit sugar, and is a type of sugar composed of glucose. It has water-binding properties for skin.

References for this information:

Journal of Clinical and Aesthetic Dermatology, October 2019, pages 39–44
Foods, March 2019, ePublication
The Scientific World Journal, March 2015, pages 1–9
Biological and Pharmaceutical Bulletin, April 2007, pages 692–697

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